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12502053860 = 2253122698887
BaseRepresentation
bin10111010010010111…
…00011001111100100
31012021021211010202212
423221023203033210
5201101011210420
65424322222552
7621545463422
oct135113431744
935237733685
1012502053860
1153360a111a
12250aab4a58
13124318870a
1486858a112
154d28923c5
hex2e92e33e4

12502053860 has 48 divisors (see below), whose sum is σ = 27116221440. Its totient is φ = 4836827520.

The previous prime is 12502053859. The next prime is 12502053887. The reversal of 12502053860 is 6835020521.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1402337 + ... + 1411223.

It is an arithmetic number, because the mean of its divisors is an integer number (564921280).

Almost surely, 212502053860 is an apocalyptic number.

12502053860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12502053860 is an abundant number, since it is smaller than the sum of its proper divisors (14614167580).

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

12502053860 is a wasteful number, since it uses less digits than its factorization.

12502053860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11196 (or 11194 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 12502053860 in words is "twelve billion, five hundred two million, fifty-three thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 2269 4538 8887 9076 11345 17774 22690 35548 44435 45380 70339 88870 140678 177740 275497 281356 351695 550994 703390 1101988 1377485 1406780 2754970 5509940 20164603 40329206 80658412 100823015 201646030 403292060 625102693 1250205386 2500410772 3125513465 6251026930 12502053860