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9712500000012 = 2232594572740113
BaseRepresentation
bin1000110101010101111000…
…0111001100010100001100
31021101111122211021000111200
42031111132013030110030
52233112200000000022
632353505542145500
72021463542562435
oct215253607142414
937344584230450
109712500000012
113105059055847
12110a420722290
13555b66c46534
142581321a048c
1511c99ed6cbac
hex8d55e1cc50c

9712500000012 has 36 divisors (see below), whose sum is σ = 24967161022440. Its totient is φ = 3182627117952.

The previous prime is 9712500000011. The next prime is 9712500000017. The reversal of 9712500000012 is 2100000052179.

It is a tau number, because it is divible by the number of its divisors (36).

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (9712500000011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2286367933 + ... + 2286372180.

Almost surely, 29712500000012 is an apocalyptic number.

It is an amenable number.

9712500000012 is an abundant number, since it is smaller than the sum of its proper divisors (15254661022428).

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

9712500000012 is a wasteful number, since it uses less digits than its factorization.

9712500000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4572740182 (or 4572740177 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The spelling of 9712500000012 in words is "nine trillion, seven hundred twelve billion, five hundred million, twelve", and thus it is an aban number.

Divisors: 1 2 3 4 6 9 12 18 36 59 118 177 236 354 531 708 1062 2124 4572740113 9145480226 13718220339 18290960452 27436440678 41154661017 54872881356 82309322034 164618644068 269791666667 539583333334 809375000001 1079166666668 1618750000002 2428125000003 3237500000004 4856250000006 9712500000012