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51740871670 = 2547110086961
BaseRepresentation
bin110000001011111111…
…110000101111110110
311221112220120121121101
4300023333300233312
51321431130343140
635434110240314
73511121103235
oct601377605766
9157486517541
1051740871670
111aa41411774
12a03bab609a
134b576297c7
14270ba14b1c
15152c61d99a
hexc0bff0bf6

51740871670 has 16 divisors (see below), whose sum is σ = 95115135168. Its totient is φ = 20256000640.

The previous prime is 51740871661. The next prime is 51740871703. The reversal of 51740871670 is 7617804715.

It is a self number, because there is not a number n which added to its sum of digits gives 51740871670.

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, 55043011 + ... + 55043950.

It is an arithmetic number, because the mean of its divisors is an integer number (5944695948).

Almost surely, 251740871670 is an apocalyptic number.

51740871670 is a deficient number, since it is larger than the sum of its proper divisors (43374263498).

51740871670 is a wasteful number, since it uses less digits than its factorization.

51740871670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110087015.

The product of its (nonzero) digits is 329280, while the sum is 46.

The spelling of 51740871670 in words is "fifty-one billion, seven hundred forty million, eight hundred seventy-one thousand, six hundred seventy".

Divisors: 1 2 5 10 47 94 235 470 110086961 220173922 550434805 1100869610 5174087167 10348174334 25870435835 51740871670