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27206892045 = 325604597601
BaseRepresentation
bin11001010101101010…
…000011101000001101
32121020002120022120100
4121111222003220031
5421204431021140
620255414041313
71652132523654
oct312552035015
977202508510
1027206892045
11105a1643753
125333649239
13274780bbb8
1414614da19b
15a93801530
hex655a83a0d

27206892045 has 12 divisors (see below), whose sum is σ = 47158612956. Its totient is φ = 14510342400.

The previous prime is 27206892019. The next prime is 27206892067. The reversal of 27206892045 is 54029860272.

It can be written as a sum of positive squares in 2 ways, for example, as 21179854089 + 6027037956 = 145533^2 + 77634^2 .

It is not a de Polignac number, because 27206892045 - 219 = 27206367757 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 604597601 = 27206892045 / (2 + 7 + 2 + 0 + 6 + 8 + 9 + 2 + 0 + 4 + 5).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 302298756 + ... + 302298845.

It is an arithmetic number, because the mean of its divisors is an integer number (3929884413).

Almost surely, 227206892045 is an apocalyptic number.

It is an amenable number.

27206892045 is a deficient number, since it is larger than the sum of its proper divisors (19951720911).

27206892045 is a wasteful number, since it uses less digits than its factorization.

27206892045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604597612 (or 604597609 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 27206892045 in words is "twenty-seven billion, two hundred six million, eight hundred ninety-two thousand, forty-five".

Divisors: 1 3 5 9 15 45 604597601 1813792803 3022988005 5441378409 9068964015 27206892045