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10101011011100 = 225217211125922367
BaseRepresentation
bin1001001011111101001100…
…1011000101011000011100
31022202122110211021021120122
42102333103023011120130
52310443332304323400
633252201305334112
72061526316644112
oct222772313053034
938678424237518
1010101011011100
1132448a6423789
121171788197338
135836a125bc89
1426cc6a565ab2
15127b3ccd6685
hex92fd32c561c

10101011011100 has 144 divisors (see below), whose sum is σ = 23338116264960. Its totient is φ = 3781535923200.

The previous prime is 10101011011043. The next prime is 10101011011103. The reversal of 10101011011100 is 111011010101.

10101011011100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101011011103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 451592117 + ... + 451614483.

It is an arithmetic number, because the mean of its divisors is an integer number (162070251840).

Almost surely, 210101011011100 is an apocalyptic number.

10101011011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10101011011100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11669058132480).

10101011011100 is an abundant number, since it is smaller than the sum of its proper divisors (13237105253860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10101011011100 is a wasteful number, since it uses less digits than its factorization.

10101011011100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23868 (or 23861 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 10101011011100 its reverse (111011010101), we get a palindrome (10212022021201).

Subtracting from 10101011011100 its reverse (111011010101), we obtain a palindrome (9990000000999).

The spelling of 10101011011100 in words is "ten trillion, one hundred one billion, eleven million, eleven thousand, one hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 170 211 340 422 425 844 850 1055 1259 1700 2110 2518 3587 4220 5036 5275 6295 7174 10550 12590 14348 17935 21100 21403 22367 25180 31475 35870 42806 44734 62950 71740 85612 89468 89675 107015 111835 125900 179350 214030 223670 265649 358700 380239 428060 447340 531298 535075 559175 760478 1062596 1070150 1118350 1328245 1520956 1901195 2140300 2236700 2656490 3802390 4516033 4719437 5312980 6641225 7604780 9032066 9438874 9505975 13282450 18064132 18877748 19011950 22580165 23597185 26564900 28160053 38023900 45160330 47194370 56320106 80230429 90320660 94388740 112640212 112900825 117985925 140800265 160460858 225801650 235971850 281600530 320921716 401152145 451603300 471943700 478720901 563201060 704001325 802304290 957441802 1408002650 1604608580 1914883604 2005760725 2393604505 2816005300 4011521450 4787209010 5941771183 8023042900 9574418020 11883542366 11968022525 23767084732 23936045050 29708855915 47872090100 59417711830 101010110111 118835423660 148544279575 202020220222 297088559150 404040440444 505050550555 594177118300 1010101101110 2020202202220 2525252752775 5050505505550 10101011011100