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12637900760 = 235404978031
BaseRepresentation
bin10111100010100011…
…10000111111011000
31012121202102212200112
423301101300333120
5201340300311020
65450014023452
7625115245502
oct136121607730
935552385615
1012637900760
1153a5846991
1225484a7b88
1312653705b4
1487c62cd72
154de7782c5
hex2f1470fd8

12637900760 has 32 divisors (see below), whose sum is σ = 28442664000. Its totient is φ = 5053847040.

The previous prime is 12637900747. The next prime is 12637900763. The reversal of 12637900760 is 6700973621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12637900763) 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, 122945 + ... + 200975.

It is an arithmetic number, because the mean of its divisors is an integer number (888833250).

Almost surely, 212637900760 is an apocalyptic number.

12637900760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12637900760 is an abundant number, since it is smaller than the sum of its proper divisors (15804763240).

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

12637900760 is a wasteful number, since it uses less digits than its factorization.

12637900760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82091 (or 82087 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 41.

The spelling of 12637900760 in words is "twelve billion, six hundred thirty-seven million, nine hundred thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 4049 8098 16196 20245 32392 40490 78031 80980 156062 161960 312124 390155 624248 780310 1560620 3121240 315947519 631895038 1263790076 1579737595 2527580152 3159475190 6318950380 12637900760