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12870519737 is a prime number
BaseRepresentation
bin10111111110010010…
…01000101110111001
31020012222011010221012
423333021020232321
5202324323112422
65525043523305
7633641420105
oct137711105671
936188133835
1012870519737
115505088a79
1225b2389535
1312a160896a
148a14a2905
15504dc74e2
hex2ff248bb9

12870519737 has 2 divisors, whose sum is σ = 12870519738. Its totient is φ = 12870519736.

The previous prime is 12870519707. The next prime is 12870519757. The reversal of 12870519737 is 73791507821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12829866361 + 40653376 = 113269^2 + 6376^2 .

It is a cyclic number.

It is not a de Polignac number, because 12870519737 - 214 = 12870503353 is a prime.

It is not a weakly prime, because it can be changed into another prime (12870519707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6435259868 + 6435259869.

It is an arithmetic number, because the mean of its divisors is an integer number (6435259869).

Almost surely, 212870519737 is an apocalyptic number.

It is an amenable number.

12870519737 is a deficient number, since it is larger than the sum of its proper divisors (1).

12870519737 is an equidigital number, since it uses as much as digits as its factorization.

12870519737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 740880, while the sum is 50.

The spelling of 12870519737 in words is "twelve billion, eight hundred seventy million, five hundred nineteen thousand, seven hundred thirty-seven".