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10388025538 = 21131101239631
BaseRepresentation
bin10011010110010110…
…01011000011000010
3222210221220101002121
421223023023003002
5132233313304123
64434443234454
7515265521512
oct115313130302
928727811077
1010388025538
114450851380
12201ab18a2a
13c971c8597
147078cb842
1540bea875d
hex26b2cb0c2

10388025538 has 64 divisors (see below), whose sum is σ = 17823006720. Its totient is φ = 4498200000.

The previous prime is 10388025517. The next prime is 10388025541. The reversal of 10388025538 is 83552088301.

It is a super-2 number, since 2×103880255382 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10388025494 and 10388025503.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16462483 + ... + 16463113.

It is an arithmetic number, because the mean of its divisors is an integer number (278484480).

Almost surely, 210388025538 is an apocalyptic number.

10388025538 is a deficient number, since it is larger than the sum of its proper divisors (7434981182).

10388025538 is a wasteful number, since it uses less digits than its factorization.

10388025538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015.

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 10388025538 in words is "ten billion, three hundred eighty-eight million, twenty-five thousand, five hundred thirty-eight".

Divisors: 1 2 11 22 31 62 101 202 239 341 478 631 682 1111 1262 2222 2629 3131 5258 6262 6941 7409 13882 14818 19561 24139 34441 39122 48278 63731 68882 81499 127462 150809 162998 215171 265529 301618 430342 531058 701041 748309 1402082 1496618 1658899 1975661 3317798 3951322 4675079 8231399 9350158 15231709 16462798 21732271 30463418 43464542 51425869 102851738 167548799 335097598 472182979 944365958 5194012769 10388025538