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3638112131 = 103137347743
BaseRepresentation
bin1101100011011001…
…0010111110000011
3100101112202020121202
43120312102332003
524422324042011
61401001211415
7156104304623
oct33066227603
910345666552
103638112131
1115a768a545
12856490b6b
1345c965594
14267270883
151645de23b
hexd8d92f83

3638112131 has 16 divisors (see below), whose sum is σ = 3715905024. Its totient is φ = 3561386304.

The previous prime is 3638112113. The next prime is 3638112133. The reversal of 3638112131 is 1312118363.

3638112131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3638112131 - 210 = 3638111107 is a prime.

It is a super-2 number, since 2×36381121312 = 26471719755458722322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3638112094 and 3638112103.

It is not an unprimeable number, because it can be changed into a prime (3638112133) 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 15 ways as a sum of consecutive naturals, for example, 4896146 + ... + 4896888.

It is an arithmetic number, because the mean of its divisors is an integer number (232244064).

Almost surely, 23638112131 is an apocalyptic number.

3638112131 is a deficient number, since it is larger than the sum of its proper divisors (77792893).

3638112131 is a wasteful number, since it uses less digits than its factorization.

3638112131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330.

The product of its digits is 2592, while the sum is 29.

The square root of 3638112131 is about 60316.7649248532. The cubic root of 3638112131 is about 1538.0083506068.

The spelling of 3638112131 in words is "three billion, six hundred thirty-eight million, one hundred twelve thousand, one hundred thirty-one".

Divisors: 1 103 137 347 743 14111 35741 47539 76529 101791 257821 4896517 10484473 26555563 35321477 3638112131