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27137826740 = 2251356891337
BaseRepresentation
bin11001010001100010…
…100101111110110100
32121001021121102210002
4121101202211332310
5421034240423430
620244505450432
71650333502253
oct312142457664
977037542702
1027137826740
1110566660992
1253144a0a18
13273640995b
14145627c79a
15a8c70c845
hex6518a5fb4

27137826740 has 12 divisors (see below), whose sum is σ = 56989436196. Its totient is φ = 10855130688.

The previous prime is 27137826713. The next prime is 27137826763. The reversal of 27137826740 is 4762873172.

It can be written as a sum of positive squares in 2 ways, for example, as 21697879204 + 5439947536 = 147302^2 + 73756^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678445649 + ... + 678445688.

It is an arithmetic number, because the mean of its divisors is an integer number (4749119683).

Almost surely, 227137826740 is an apocalyptic number.

27137826740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27137826740 is an abundant number, since it is smaller than the sum of its proper divisors (29851609456).

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

27137826740 is a wasteful number, since it uses less digits than its factorization.

27137826740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356891346 (or 1356891344 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 47.

The spelling of 27137826740 in words is "twenty-seven billion, one hundred thirty-seven million, eight hundred twenty-six thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 1356891337 2713782674 5427565348 6784456685 13568913370 27137826740