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30356064612 = 2232843224017
BaseRepresentation
bin11100010001010111…
…001100100101100100
32220100120021212012100
4130101113030211210
5444132123031422
621540111452100
72123152202046
oct342127144544
986316255170
1030356064612
1111968230705
125a72227030
132b2a092813
14167d853a96
15bca00e7ac
hex7115cc964

30356064612 has 18 divisors (see below), whose sum is σ = 76733385638. Its totient is φ = 10118688192.

The previous prime is 30356064601. The next prime is 30356064617. The reversal of 30356064612 is 21646065303.

30356064612 is a `hidden beast` number, since 3 + 0 + 3 + 5 + 6 + 0 + 646 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 24757134336 + 5598930276 = 157344^2 + 74826^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 843224017 = 30356064612 / (3 + 0 + 3 + 5 + 6 + 0 + 6 + 4 + 6 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (30356064617) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 421611973 + ... + 421612044.

Almost surely, 230356064612 is an apocalyptic number.

It is an amenable number.

30356064612 is an abundant number, since it is smaller than the sum of its proper divisors (46377321026).

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

30356064612 is a wasteful number, since it uses less digits than its factorization.

30356064612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843224027 (or 843224022 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 30356064612 in words is "thirty billion, three hundred fifty-six million, sixty-four thousand, six hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 843224017 1686448034 2529672051 3372896068 5059344102 7589016153 10118688204 15178032306 30356064612