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10640425260 = 2235891992589
BaseRepresentation
bin10011110100011100…
…00000000100101100
31000110112211121102110
421322032000010230
5133242422102020
64515501124020
7524452056663
oct117216000454
930415747373
1010640425260
114570273a93
12208b559610
13100759b32a
1472d22ddda
154242138e0
hex27a38012c

10640425260 has 48 divisors (see below), whose sum is σ = 30127960800. Its totient is φ = 2805563904.

The previous prime is 10640425259. The next prime is 10640425321. The reversal of 10640425260 is 6252404601.

It is a super-2 number, since 2×106404252602 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 990955 + ... + 1001634.

It is an arithmetic number, because the mean of its divisors is an integer number (627665850).

Almost surely, 210640425260 is an apocalyptic number.

10640425260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10640425260 is an abundant number, since it is smaller than the sum of its proper divisors (19487535540).

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

10640425260 is a wasteful number, since it uses less digits than its factorization.

10640425260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992690 (or 1992688 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 10640425260 its reverse (6252404601), we get a palindrome (16892829861).

The spelling of 10640425260 in words is "ten billion, six hundred forty million, four hundred twenty-five thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 89 178 267 356 445 534 890 1068 1335 1780 2670 5340 1992589 3985178 5977767 7970356 9962945 11955534 19925890 23911068 29888835 39851780 59777670 119555340 177340421 354680842 532021263 709361684 886702105 1064042526 1773404210 2128085052 2660106315 3546808420 5320212630 10640425260