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13525401479 is a prime number
BaseRepresentation
bin11001001100010110…
…10011111110000111
31021220121102120210112
430212023103332013
5210200000321404
610114040143235
7656113005242
oct144613237607
937817376715
1013525401479
115810811357
122755767b1b
1313771ab955
14924454259
1554263656e
hex3262d3f87

13525401479 has 2 divisors, whose sum is σ = 13525401480. Its totient is φ = 13525401478.

The previous prime is 13525401451. The next prime is 13525401493. The reversal of 13525401479 is 97410452531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13525401479 - 220 = 13524352903 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13525401419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6762700739 + 6762700740.

It is an arithmetic number, because the mean of its divisors is an integer number (6762700740).

Almost surely, 213525401479 is an apocalyptic number.

13525401479 is a deficient number, since it is larger than the sum of its proper divisors (1).

13525401479 is an equidigital number, since it uses as much as digits as its factorization.

13525401479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 13525401479 in words is "thirteen billion, five hundred twenty-five million, four hundred one thousand, four hundred seventy-nine".