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21310141300 = 2252777339383
BaseRepresentation
bin10011110110001011…
…101111001101110100
32001000010210100020121
4103312023233031310
5322120344010200
613442330141324
71353041132560
oct236613571564
961003710217
1021310141300
119046023628
124168881844
132017c53886
1410622c66a0
1584acb0e1a
hex4f62ef374

21310141300 has 72 divisors (see below), whose sum is σ = 52918862976. Its totient is φ = 7296696960.

The previous prime is 21310141289. The next prime is 21310141313. The reversal of 21310141300 is 314101312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 521409 + ... + 560791.

It is an arithmetic number, because the mean of its divisors is an integer number (734984208).

Almost surely, 221310141300 is an apocalyptic number.

21310141300 is a gapful number since it is divisible by the number (20) 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 21310141300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26459431488).

21310141300 is an abundant number, since it is smaller than the sum of its proper divisors (31608721676).

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

21310141300 is a wasteful number, since it uses less digits than its factorization.

21310141300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40177 (or 40170 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21310141300 its reverse (314101312), we get a palindrome (21624242612).

The spelling of 21310141300 in words is "twenty-one billion, three hundred ten million, one hundred forty-one thousand, three hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 773 1546 3092 3865 5411 7730 10822 15460 19325 21644 27055 38650 39383 54110 77300 78766 108220 135275 157532 196915 270550 275681 393830 541100 551362 787660 984575 1102724 1378405 1969150 2756810 3938300 5513620 6892025 13784050 27568100 30443059 60886118 121772236 152215295 213101413 304430590 426202826 608861180 761076475 852405652 1065507065 1522152950 2131014130 3044305900 4262028260 5327535325 10655070650 21310141300