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10688245161 = 31119149114407
BaseRepresentation
bin10011111010001000…
…11010110110101001
31000120212211002222220
421331010122312221
5133342142321121
64524330104253
7525602404416
oct117504326651
930525732886
1010688245161
114595265870
1220a357b089
131014472329
1473571b10d
1542850c6c6
hex27d11ada9

10688245161 has 32 divisors (see below), whose sum is σ = 16474752000. Its totient is φ = 6095551680.

The previous prime is 10688245147. The next prime is 10688245229. The reversal of 10688245161 is 16154288601.

It is not a de Polignac number, because 10688245161 - 25 = 10688245129 is a prime.

It is a super-2 number, since 2×106882451612 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10688245361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36220 + ... + 150626.

It is an arithmetic number, because the mean of its divisors is an integer number (514836000).

Almost surely, 210688245161 is an apocalyptic number.

10688245161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10688245161 is a deficient number, since it is larger than the sum of its proper divisors (5786506839).

10688245161 is a wasteful number, since it uses less digits than its factorization.

10688245161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114589.

The product of its (nonzero) digits is 92160, while the sum is 42.

The spelling of 10688245161 in words is "ten billion, six hundred eighty-eight million, two hundred forty-five thousand, one hundred sixty-one".

Divisors: 1 3 11 19 33 57 149 209 447 627 1639 2831 4917 8493 31141 93423 114407 343221 1258477 2173733 3775431 6521199 17046643 23911063 51139929 71733189 187513073 323886217 562539219 971658651 3562748387 10688245161