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12507613852164 = 2234344815409409
BaseRepresentation
bin1011011000000010011111…
…1000010111001000000100
31122021201100010002120200120
42312000213320113020010
53114411043121232124
642333530220341540
72430434221402524
oct266004770271004
948251303076616
1012507613852164
113a924a3a46102
1214a00866a48b0
136c960307c212
1431352c0ad684
1516a5421c4d79
hexb6027e17204

12507613852164 has 48 divisors (see below), whose sum is σ = 29869809963840. Its totient is φ = 4071336837120.

The previous prime is 12507613852159. The next prime is 12507613852169. The reversal of 12507613852164 is 46125831670521.

It is an interprime number because it is at equal distance from previous prime (12507613852159) and next prime (12507613852169).

It is not an unprimeable number, because it can be changed into a prime (12507613852169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392509 + ... + 5016900.

It is an arithmetic number, because the mean of its divisors is an integer number (622287707580).

Almost surely, 212507613852164 is an apocalyptic number.

It is an amenable number.

12507613852164 is an abundant number, since it is smaller than the sum of its proper divisors (17362196111676).

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

12507613852164 is a wasteful number, since it uses less digits than its factorization.

12507613852164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5413940 (or 5413938 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 12507613852164 in words is "twelve trillion, five hundred seven billion, six hundred thirteen million, eight hundred fifty-two thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 12 43 86 129 172 258 516 4481 8962 13443 17924 26886 53772 192683 385366 578049 770732 1156098 2312196 5409409 10818818 16228227 21637636 32456454 64912908 232604587 465209174 697813761 930418348 1395627522 2791255044 24239561729 48479123458 72718685187 96958246916 145437370374 290874740748 1042301154347 2084602308694 3126903463041 4169204617388 6253806926082 12507613852164