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83085187784227 = 635471130745837
BaseRepresentation
bin10010111001000011000111…
…000110101001111000100011
3101220011212101120222010011121
4102321003013012221320203
541342231431033043402
6452412450333553111
723333464256442406
oct2271030706517043
9356155346863147
1083085187784227
1124523259528a82
12939a571345797
133748b90523825
1416734b7609d3d
15991382ce7837
hex4b90c71a9e23

83085187784227 has 4 divisors (see below), whose sum is σ = 83085319165536. Its totient is φ = 83085056402920.

The previous prime is 83085187784201. The next prime is 83085187784233. The reversal of 83085187784227 is 72248778158038.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83085187784227 - 223 = 83085179395619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83085187784297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64737448 + ... + 66008389.

It is an arithmetic number, because the mean of its divisors is an integer number (20771329791384).

Almost surely, 283085187784227 is an apocalyptic number.

83085187784227 is a deficient number, since it is larger than the sum of its proper divisors (131381309).

83085187784227 is a wasteful number, since it uses less digits than its factorization.

83085187784227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131381308.

The product of its (nonzero) digits is 337182720, while the sum is 70.

The spelling of 83085187784227 in words is "eighty-three trillion, eighty-five billion, one hundred eighty-seven million, seven hundred eighty-four thousand, two hundred twenty-seven".

Divisors: 1 635471 130745837 83085187784227