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25500535332 = 22320341104471
BaseRepresentation
bin10111101111111100…
…110100101000100100
32102211011202102012120
4113233330310220210
5404211114112312
615414220545540
71561632655026
oct275774645044
972734672176
1025500535332
11a8a6429698
124b380b22b0
13253514817c
14133ca3c016
159e3ae428c
hex5eff34a24

25500535332 has 24 divisors (see below), whose sum is σ = 59504743872. Its totient is φ = 8499679200.

The previous prime is 25500535297. The next prime is 25500535337. The reversal of 25500535332 is 23353500552.

It is a junction number, because it is equal to n+sod(n) for n = 25500535293 and 25500535302.

It is not an unprimeable number, because it can be changed into a prime (25500535337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191857 + ... + 296327.

It is an arithmetic number, because the mean of its divisors is an integer number (2479364328).

Almost surely, 225500535332 is an apocalyptic number.

It is an amenable number.

25500535332 is an abundant number, since it is smaller than the sum of its proper divisors (34004208540).

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

25500535332 is a wasteful number, since it uses less digits than its factorization.

25500535332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124819 (or 124817 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 33.

The spelling of 25500535332 in words is "twenty-five billion, five hundred million, five hundred thirty-five thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 20341 40682 61023 81364 104471 122046 208942 244092 313413 417884 626826 1253652 2125044611 4250089222 6375133833 8500178444 12750267666 25500535332