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25703884940 = 2252944317043
BaseRepresentation
bin10111111100000100…
…100010100010001100
32110100100101122102112
4113330010202202030
5410120143304230
615450323243152
71566652263026
oct277404424214
973310348375
1025703884940
11a9a019a218
124b942194b8
132568305c96
14135ba53016
15a068b0d95
hex5fc12288c

25703884940 has 24 divisors (see below), whose sum is σ = 55839475440. Its totient is φ = 9927017408.

The previous prime is 25703884939. The next prime is 25703884951. The reversal of 25703884940 is 4948830752.

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, 22157942 + ... + 22159101.

It is an arithmetic number, because the mean of its divisors is an integer number (2326644810).

Almost surely, 225703884940 is an apocalyptic number.

25703884940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25703884940 is an abundant number, since it is smaller than the sum of its proper divisors (30135590500).

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

25703884940 is a wasteful number, since it uses less digits than its factorization.

25703884940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44317081 (or 44317079 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 25703884940 in words is "twenty-five billion, seven hundred three million, eight hundred eighty-four thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 44317043 88634086 177268172 221585215 443170430 886340860 1285194247 2570388494 5140776988 6425971235 12851942470 25703884940