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13142420409 = 3233073791637
BaseRepresentation
bin11000011110101100…
…10110101110111001
31020220220210010112110
430033112112232321
5203403424423114
610012035402533
7643452505326
oct141726265671
936826703473
1013142420409
11563460aa78
122669453449
131315a48931
148c963db4d
1551dbd5759
hex30f596bb9

13142420409 has 32 divisors (see below), whose sum is σ = 18404305920. Its totient is φ = 8326245312.

The previous prime is 13142420381. The next prime is 13142420429. The reversal of 13142420409 is 90402424131.

It is not a de Polignac number, because 13142420409 - 215 = 13142387641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13142420429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8027539 + ... + 8029175.

It is an arithmetic number, because the mean of its divisors is an integer number (575134560).

Almost surely, 213142420409 is an apocalyptic number.

It is an amenable number.

13142420409 is a deficient number, since it is larger than the sum of its proper divisors (5261885511).

13142420409 is a wasteful number, since it uses less digits than its factorization.

13142420409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2349.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 13142420409 in words is "thirteen billion, one hundred forty-two million, four hundred twenty thousand, four hundred nine".

Divisors: 1 3 23 69 307 379 921 1137 1637 4911 7061 8717 21183 26151 37651 112953 116353 349059 502559 620423 1507677 1861269 2676119 8028357 11558857 14269729 34676571 42809187 190469861 571409583 4380806803 13142420409