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30136544878713 = 37213131911956057
BaseRepresentation
bin1101101101000101101100…
…00011010110000001111001
310221201000200121222021212020
412312202312003112001321
512422224120442104323
6144032312041505053
76230202450613500
oct666426603260171
9127630617867766
1030136544878713
119669922a20459
1234687b7aa2189
1313a7b30248c80
1476288bb7d837
15373dc2505ae3
hex1b68b60d6079

30136544878713 has 48 divisors (see below), whose sum is σ = 50376133019520. Its totient is φ = 15884146462464.

The previous prime is 30136544878709. The next prime is 30136544878723. The reversal of 30136544878713 is 31787844563103.

It is not a de Polignac number, because 30136544878713 - 22 = 30136544878709 is a prime.

It is a super-2 number, since 2×301365448787132 (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30136544878723) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3457420 + ... + 8498637.

It is an arithmetic number, because the mean of its divisors is an integer number (1049502771240).

Almost surely, 230136544878713 is an apocalyptic number.

It is an amenable number.

30136544878713 is a deficient number, since it is larger than the sum of its proper divisors (20239588140807).

30136544878713 is a wasteful number, since it uses less digits than its factorization.

30136544878713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11957406 (or 11957399 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 60.

The spelling of 30136544878713 in words is "thirty trillion, one hundred thirty-six billion, five hundred forty-four million, eight hundred seventy-eight thousand, seven hundred thirteen".

Divisors: 1 3 7 13 21 39 49 91 147 273 637 1319 1911 3957 9233 17147 27699 51441 64631 120029 193893 360087 840203 2520609 11956057 35868171 83692399 155428741 251077197 466286223 585846793 1088001187 1757540379 3264003561 7616008309 15770039183 22848024927 47310117549 110390274281 205010509379 331170822843 615031528137 772731919967 1435073565653 2318195759901 4305220696959 10045514959571 30136544878713