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10122910960 = 245536139139
BaseRepresentation
bin10010110110101111…
…10101110011110000
3222010111001011021011
421123113311303300
5131212431122320
64352253040304
7505566215641
oct113327656360
928114034234
1010122910960
114325134918
121b66186094
13c542c3356
146c05d96c8
153e3a8b05a
hex25b5f5cf0

10122910960 has 80 divisors (see below), whose sum is σ = 24373573920. Its totient is φ = 3907537920.

The previous prime is 10122910951. The next prime is 10122910969. The reversal of 10122910960 is 6901922101.

It is an interprime number because it is at equal distance from previous prime (10122910951) and next prime (10122910969).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122910969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239071 + ... + 278209.

It is an arithmetic number, because the mean of its divisors is an integer number (304669674).

Almost surely, 210122910960 is an apocalyptic number.

10122910960 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 10122910960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12186786960).

10122910960 is an abundant number, since it is smaller than the sum of its proper divisors (14250662960).

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

10122910960 is a wasteful number, since it uses less digits than its factorization.

10122910960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39266 (or 39260 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 31.

The spelling of 10122910960 in words is "ten billion, one hundred twenty-two million, nine hundred ten thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 53 61 80 106 122 212 244 265 305 424 488 530 610 848 976 1060 1220 2120 2440 3233 4240 4880 6466 12932 16165 25864 32330 39139 51728 64660 78278 129320 156556 195695 258640 313112 391390 626224 782780 1565560 2074367 2387479 3131120 4148734 4774958 8297468 9549916 10371835 11937395 16594936 19099832 20743670 23874790 33189872 38199664 41487340 47749580 82974680 95499160 126536387 165949360 190998320 253072774 506145548 632681935 1012291096 1265363870 2024582192 2530727740 5061455480 10122910960