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30112313133 = 378916111457
BaseRepresentation
bin11100000010110101…
…010110111100101101
32212201120122000000210
4130002311112330231
5443132223010013
621500003213033
72114132303250
oct340265267455
985646560023
1030112313133
1111852685601
125a04677179
132abb72a286
141659323097
15bb3911cc3
hex702d56f2d

30112313133 has 16 divisors (see below), whose sum is σ = 46400999040. Its totient is φ = 17013697536.

The previous prime is 30112313113. The next prime is 30112313141. The reversal of 30112313133 is 33131321103.

It is not a de Polignac number, because 30112313133 - 221 = 30110215981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30112313113) 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 in 15 ways as a sum of consecutive naturals, for example, 8053860 + ... + 8057597.

It is an arithmetic number, because the mean of its divisors is an integer number (2900062440).

Almost surely, 230112313133 is an apocalyptic number.

It is an amenable number.

30112313133 is a deficient number, since it is larger than the sum of its proper divisors (16288685907).

30112313133 is a wasteful number, since it uses less digits than its factorization.

30112313133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16111556.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 30112313133 its reverse (33131321103), we get a palindrome (63243634236).

The spelling of 30112313133 in words is "thirty billion, one hundred twelve million, three hundred thirteen thousand, one hundred thirty-three".

Divisors: 1 3 7 21 89 267 623 1869 16111457 48334371 112780199 338340597 1433919673 4301759019 10037437711 30112313133