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12935313257 = 37477438363
BaseRepresentation
bin11000000110000000…
…10011011101101001
31020101111001222221012
430003000103131221
5202442420011012
65535320353305
7635356230356
oct140300233551
936344058835
1012935313257
115538713339
122610015835
1312b1b73719
148a9d2b62d
1550a925622
hex303013769

12935313257 has 8 divisors (see below), whose sum is σ = 13567575936. Its totient is φ = 12317927472.

The previous prime is 12935313227. The next prime is 12935313271. The reversal of 12935313257 is 75231353921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12935313257 - 214 = 12935296873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12935313227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3717443 + ... + 3720920.

It is an arithmetic number, because the mean of its divisors is an integer number (1695946992).

Almost surely, 212935313257 is an apocalyptic number.

It is an amenable number.

12935313257 is a deficient number, since it is larger than the sum of its proper divisors (632262679).

12935313257 is an equidigital number, since it uses as much as digits as its factorization.

12935313257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7438447.

The product of its digits is 170100, while the sum is 41.

The spelling of 12935313257 in words is "twelve billion, nine hundred thirty-five million, three hundred thirteen thousand, two hundred fifty-seven".

Divisors: 1 37 47 1739 7438363 275219431 349603061 12935313257