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13057072011 = 3241129127409
BaseRepresentation
bin11000010100100001…
…10001101110001011
31020200222011222112200
430022100301232023
5203220102301021
65555350211243
7641365165224
oct141220615613
936628158480
1013057072011
1155a0416505
122644953b23
131301165019
148bc18424b
15516477126
hex30a431b8b

13057072011 has 24 divisors (see below), whose sum is σ = 19335891120. Its totient is φ = 8485516800.

The previous prime is 13057071949. The next prime is 13057072019. The reversal of 13057072011 is 11027075031.

It is a happy number.

13057072011 is a `hidden beast` number, since 13 + 0 + 570 + 72 + 0 + 11 = 666.

It is not a de Polignac number, because 13057072011 - 29 = 13057071499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13057072019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 462675 + ... + 490083.

It is an arithmetic number, because the mean of its divisors is an integer number (805662130).

Almost surely, 213057072011 is an apocalyptic number.

13057072011 is a deficient number, since it is larger than the sum of its proper divisors (6278819109).

13057072011 is a wasteful number, since it uses less digits than its factorization.

13057072011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28747 (or 28744 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 27.

The spelling of 13057072011 in words is "thirteen billion, fifty-seven million, seventy-two thousand, eleven".

Divisors: 1 3 9 41 123 369 1291 3873 11619 27409 52931 82227 158793 246681 476379 1123769 3371307 10113921 35385019 106155057 318465171 1450785779 4352357337 13057072011