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10108564640 = 255444714207
BaseRepresentation
bin10010110101000010…
…00111010010100000
3222002111001021210222
421122201013102200
5131200243032030
64351021342212
7505333244636
oct113241072240
928074037728
1010108564640
114318026259
121b61407968
13c5133c3c5
146bc743356
153e26a53e5
hex25a8474a0

10108564640 has 48 divisors (see below), whose sum is σ = 23888535552. Its totient is φ = 4042232064.

The previous prime is 10108564589. The next prime is 10108564663. The reversal of 10108564640 is 4646580101.

It is a self number, because there is not a number n which added to its sum of digits gives 10108564640.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 704417 + ... + 718623.

It is an arithmetic number, because the mean of its divisors is an integer number (497677824).

Almost surely, 210108564640 is an apocalyptic number.

10108564640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10108564640 is an abundant number, since it is smaller than the sum of its proper divisors (13779970912).

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

10108564640 is a wasteful number, since it uses less digits than its factorization.

10108564640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18669 (or 18661 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 10108564640 in words is "ten billion, one hundred eight million, five hundred sixty-four thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 4447 8894 14207 17788 22235 28414 35576 44470 56828 71035 71152 88940 113656 142070 142304 177880 227312 284140 355760 454624 568280 711520 1136560 2273120 63178529 126357058 252714116 315892645 505428232 631785290 1010856464 1263570580 2021712928 2527141160 5054282320 10108564640