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30186244808 = 2328313333147
BaseRepresentation
bin11100000111001111…
…011000101011001000
32212220201202010012222
4130013033120223020
5443310134313213
621511203553212
72116020563426
oct340717305310
985821663188
1030186244808
1111890391565
125a2538b808
132b00b44525
14166508a116
15bba167808
hex7073d8ac8

30186244808 has 16 divisors (see below), whose sum is σ = 56799210480. Its totient is φ = 15039788688.

The previous prime is 30186244783. The next prime is 30186244841. The reversal of 30186244808 is 80844268103.

It is a super-2 number, since 2×301862448082 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6664310 + ... + 6668837.

It is an arithmetic number, because the mean of its divisors is an integer number (3549950655).

Almost surely, 230186244808 is an apocalyptic number.

It is an amenable number.

30186244808 is a deficient number, since it is larger than the sum of its proper divisors (26612965672).

30186244808 is a wasteful number, since it uses less digits than its factorization.

30186244808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13333436 (or 13333432 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 44.

The spelling of 30186244808 in words is "thirty billion, one hundred eighty-six million, two hundred forty-four thousand, eight hundred eight".

Divisors: 1 2 4 8 283 566 1132 2264 13333147 26666294 53332588 106665176 3773280601 7546561202 15093122404 30186244808