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13130723658 = 2313168342611
BaseRepresentation
bin11000011101010011…
…01111000101001010
31020220002202212121110
430032221233011022
5203342431124113
610010540551150
7643251211113
oct141651570512
936802685543
1013130723658
115628a51038
1226655524b6
1313134b1990
148c7c7720a
1551cb74bc3
hex30ea6f14a

13130723658 has 16 divisors (see below), whose sum is σ = 28281558816. Its totient is φ = 4040222640.

The previous prime is 13130723657. The next prime is 13130723677. The reversal of 13130723658 is 85632703131.

13130723658 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (13130723657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84171228 + ... + 84171383.

It is an arithmetic number, because the mean of its divisors is an integer number (1767597426).

Almost surely, 213130723658 is an apocalyptic number.

13130723658 is an abundant number, since it is smaller than the sum of its proper divisors (15150835158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13130723658 is a wasteful number, since it uses less digits than its factorization.

13130723658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168342629.

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 13130723658 in words is "thirteen billion, one hundred thirty million, seven hundred twenty-three thousand, six hundred fifty-eight".

Divisors: 1 2 3 6 13 26 39 78 168342611 336685222 505027833 1010055666 2188453943 4376907886 6565361829 13130723658