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12313512077 = 193154738219
BaseRepresentation
bin10110111011111000…
…10100100010001101
31011210011001020001212
423131330110202031
5200204224341302
65353505144205
7614066061056
oct133574244215
934704036055
1012313512077
115249724969
12247792b065
1312130b3929
1484b50b72d
154c104d052
hex2ddf1488d

12313512077 has 16 divisors (see below), whose sum is σ = 13404518400. Its totient is φ = 11268195120.

The previous prime is 12313512059. The next prime is 12313512103. The reversal of 12313512077 is 77021531321.

It is a cyclic number.

It is not a de Polignac number, because 12313512077 - 222 = 12309317773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313512007) 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, 303074 + ... + 341292.

It is an arithmetic number, because the mean of its divisors is an integer number (837782400).

Almost surely, 212313512077 is an apocalyptic number.

It is an amenable number.

12313512077 is a deficient number, since it is larger than the sum of its proper divisors (1091006323).

12313512077 is a wasteful number, since it uses less digits than its factorization.

12313512077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38816.

The product of its (nonzero) digits is 8820, while the sum is 32.

The spelling of 12313512077 in words is "twelve billion, three hundred thirteen million, five hundred twelve thousand, seventy-seven".

Divisors: 1 19 31 547 589 10393 16957 38219 322183 726161 1184789 20905793 22510991 397210067 648079583 12313512077