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131292513516928 = 276715309294953
BaseRepresentation
bin11101110110100011101011…
…101000010011110110000000
3122012212102221000012222220011
4131312203223220103312000
5114202044031430020203
61143122540440154304
736440366610264661
oct3566435350236600
9565772830188804
10131292513516928
113891992a100925
1212885451168994
135834aa5644b8a
14245c83d353368
15102a34610b76d
hex7768eba13d80

131292513516928 has 32 divisors (see below), whose sum is σ = 265463174502360. Its totient is φ = 64666461877248.

The previous prime is 131292513516917. The next prime is 131292513516929. The reversal of 131292513516928 is 829615315292131.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131292513516929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7654638901 + ... + 7654656052.

Almost surely, 2131292513516928 is an apocalyptic number.

It is an amenable number.

131292513516928 is an abundant number, since it is smaller than the sum of its proper divisors (134170660985432).

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

131292513516928 is an equidigital number, since it uses as much as digits as its factorization.

131292513516928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15309295034 (or 15309295022 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 58.

The spelling of 131292513516928 in words is "one hundred thirty-one trillion, two hundred ninety-two billion, five hundred thirteen million, five hundred sixteen thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 16 32 64 67 128 134 268 536 1072 2144 4288 8576 15309294953 30618589906 61237179812 122474359624 244948719248 489897438496 979794876992 1025722761851 1959589753984 2051445523702 4102891047404 8205782094808 16411564189616 32823128379232 65646256758464 131292513516928