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26152125640 = 2352530125841
BaseRepresentation
bin11000010110110010…
…011100010011001000
32111111120211122001221
4120112302130103020
5412024421010030
620003014451424
71614034254154
oct302662342310
974446748057
1026152125640
1110100214083
12509a363b74
13260a137c74
1413a13b4064
15a30e02e7a
hex616c9c4c8

26152125640 has 32 divisors (see below), whose sum is σ = 58846885560. Its totient is φ = 10460032000.

The previous prime is 26152125613. The next prime is 26152125697. The reversal of 26152125640 is 4652125162.

It can be written as a sum of positive squares in 4 ways, for example, as 19880436004 + 6271689636 = 140998^2 + 79194^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26152125596 and 26152125605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999120 + ... + 1024960.

Almost surely, 226152125640 is an apocalyptic number.

26152125640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26152125640 is an abundant number, since it is smaller than the sum of its proper divisors (32694759920).

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

26152125640 is a wasteful number, since it uses less digits than its factorization.

26152125640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51153 (or 51149 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 26152125640 in words is "twenty-six billion, one hundred fifty-two million, one hundred twenty-five thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 25301 25841 50602 51682 101204 103364 126505 129205 202408 206728 253010 258410 506020 516820 1012040 1033640 653803141 1307606282 2615212564 3269015705 5230425128 6538031410 13076062820 26152125640