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101111100010100 = 225217791017454207
BaseRepresentation
bin10110111111010111000011…
…001100101110111001110100
3111021000010102102000020022122
4112333113003030232321310
5101223101013100310400
6555013444220015112
730204015213326255
oct2677270314567164
9437003372006278
10101111100010100
112a242a81aa4034
12b410012991498
134455974793b1b
141ad7b36580b2c
15ba51e99b7685
hex5bf5c332ee74

101111100010100 has 144 divisors (see below), whose sum is σ = 237587673415680. Its totient is φ = 37211396352000.

The previous prime is 101111100010097. The next prime is 101111100010111. The reversal of 101111100010100 is 1010001111101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9837197 + ... + 17291403.

It is an arithmetic number, because the mean of its divisors is an integer number (1649914398720).

Almost surely, 2101111100010100 is an apocalyptic number.

101111100010100 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 101111100010100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118793836707840).

101111100010100 is an abundant number, since it is smaller than the sum of its proper divisors (136476573405580).

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

101111100010100 is a wasteful number, since it uses less digits than its factorization.

101111100010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7454418 (or 7454411 counting only the distinct ones).

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

Adding to 101111100010100 its reverse (1010001111101), we get a palindrome (102121101121201).

The spelling of 101111100010100 in words is "one hundred one trillion, one hundred eleven billion, one hundred million, ten thousand, one hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 79 85 100 101 158 170 202 316 340 395 404 425 505 790 850 1010 1343 1580 1700 1717 1975 2020 2525 2686 3434 3950 5050 5372 6715 6868 7900 7979 8585 10100 13430 15958 17170 26860 31916 33575 34340 39895 42925 67150 79790 85850 134300 135643 159580 171700 199475 271286 398950 542572 678215 797900 1356430 2712860 3391075 6782150 7454207 13564300 14908414 29816828 37271035 74542070 126721519 149084140 186355175 253443038 372710350 506886076 588882353 633607595 745420700 752874907 1177764706 1267215190 1505749814 2355529412 2534430380 2944411765 3011499628 3168037975 3764374535 5888823530 6336075950 7528749070 10011000001 11777647060 12672151900 12798873419 14722058825 15057498140 18821872675 20022000002 25597746838 29444117650 37643745350 40044000004 50055000005 51195493676 58888235300 59477117653 63994367095 75287490700 100110000010 118954235306 127988734190 200220000020 237908470612 250275000025 255977468380 297385588265 319971835475 500550000050 594771176530 639943670950 1001100000100 1011111000101 1189542353060 1279887341900 1486927941325 2022222000202 2973855882650 4044444000404 5055555000505 5947711765300 10111110001010 20222220002020 25277775002525 50555550005050 101111100010100