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12907819039 is a prime number
BaseRepresentation
bin11000000010101110…
…11011000000011111
31020022120100010221211
430001113123000133
5202413400202124
65532455205251
7634603436323
oct140127330037
936276303854
1012907819039
115524144545
122602976827
1312a926815b
148a6411983
155082e3e94
hex3015db01f

12907819039 has 2 divisors, whose sum is σ = 12907819040. Its totient is φ = 12907819038.

The previous prime is 12907819021. The next prime is 12907819063. The reversal of 12907819039 is 93091870921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12907819039 - 29 = 12907818527 is a prime.

It is a super-2 number, since 2×129078190392 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12907818983 and 12907819001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12907819069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6453909519 + 6453909520.

It is an arithmetic number, because the mean of its divisors is an integer number (6453909520).

Almost surely, 212907819039 is an apocalyptic number.

12907819039 is a deficient number, since it is larger than the sum of its proper divisors (1).

12907819039 is an equidigital number, since it uses as much as digits as its factorization.

12907819039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 49.

The spelling of 12907819039 in words is "twelve billion, nine hundred seven million, eight hundred nineteen thousand, thirty-nine".