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30188327524 = 2217443945993
BaseRepresentation
bin11100000111010111…
…010101001001100100
32212220212122221011121
4130013113111021210
5443311202440044
621511320343324
72116044356455
oct340727251144
985825587147
1030188327524
1111891584313
125a26014b44
132b013c34c4
14166546d12c
15bba429984
hex7075d5264

30188327524 has 12 divisors (see below), whose sum is σ = 55937195244. Its totient is φ = 14206271744.

The previous prime is 30188327503. The next prime is 30188327531. The reversal of 30188327524 is 42572388103.

It can be written as a sum of positive squares in 2 ways, for example, as 16529730624 + 13658596900 = 128568^2 + 116870^2 .

It is a super-2 number, since 2×301883275242 (a number of 22 digits) contains 22 as substring.

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, 221972929 + ... + 221973064.

It is an arithmetic number, because the mean of its divisors is an integer number (4661432937).

Almost surely, 230188327524 is an apocalyptic number.

30188327524 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

30188327524 is a deficient number, since it is larger than the sum of its proper divisors (25748867720).

30188327524 is a wasteful number, since it uses less digits than its factorization.

30188327524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443946014 (or 443946012 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 30188327524 in words is "thirty billion, one hundred eighty-eight million, three hundred twenty-seven thousand, five hundred twenty-four".

Divisors: 1 2 4 17 34 68 443945993 887891986 1775783972 7547081881 15094163762 30188327524