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27137324540 = 2257879172213
BaseRepresentation
bin11001010001100000…
…101011010111111100
32121001020122220220002
4121101200223113330
5421034123341130
620244451013432
71650326311154
oct312140532774
977036586802
1027137324540
1110566348647
12531429a278
1327362921b1
14145618b764
15a8c65db45
hex65182b5fc

27137324540 has 24 divisors (see below), whose sum is σ = 56995945440. Its totient is φ = 10853489088.

The previous prime is 27137324509. The next prime is 27137324561. The reversal of 27137324540 is 4542373172.

It is a junction number, because it is equal to n+sod(n) for n = 27137324494 and 27137324503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71474 + ... + 243686.

It is an arithmetic number, because the mean of its divisors is an integer number (2374831060).

Almost surely, 227137324540 is an apocalyptic number.

27137324540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27137324540 is an abundant number, since it is smaller than the sum of its proper divisors (29858620900).

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

27137324540 is a wasteful number, since it uses less digits than its factorization.

27137324540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180101 (or 180099 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 38.

The spelling of 27137324540 in words is "twenty-seven billion, one hundred thirty-seven million, three hundred twenty-four thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 7879 15758 31516 39395 78790 157580 172213 344426 688852 861065 1722130 3444260 1356866227 2713732454 5427464908 6784331135 13568662270 27137324540