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51375834071 = 433269344059
BaseRepresentation
bin101111110110001111…
…010000001111010111
311220121110200210011022
4233312033100033113
51320204203142241
635333550231355
73466066245542
oct576617201727
9156543623138
1051375834071
111a874356601
129b597b555b
134ac9b09b23
1426b5351859
15150a56454b
hexbf63d03d7

51375834071 has 8 divisors (see below), whose sum is σ = 51514775760. Its totient is φ = 51236986752.

The previous prime is 51375834049. The next prime is 51375834089. The reversal of 51375834071 is 17043857315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-51375834071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51375834971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1144040 + ... + 1188098.

It is an arithmetic number, because the mean of its divisors is an integer number (6439346970).

Almost surely, 251375834071 is an apocalyptic number.

51375834071 is a deficient number, since it is larger than the sum of its proper divisors (138941689).

51375834071 is a wasteful number, since it uses less digits than its factorization.

51375834071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47185.

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 51375834071 in words is "fifty-one billion, three hundred seventy-five million, eight hundred thirty-four thousand, seventy-one".

Divisors: 1 433 2693 44059 1166069 19077547 118650887 51375834071