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50071317571 = 1125128516361
BaseRepresentation
bin101110101000011110…
…111010110001000011
311210020120000110221101
4232220132322301003
51310021224130241
635000310035231
73421546114462
oct565036726103
9153216013841
1050071317571
111a264a53aa0
129854948b17
13494c780182
1425cddb69d9
151480c80e31
hexba87bac43

50071317571 has 16 divisors (see below), whose sum is σ = 54868738176. Its totient is φ = 45315000000.

The previous prime is 50071317547. The next prime is 50071317599. The reversal of 50071317571 is 17571317005.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50071317571 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50071317571.

It is not an unprimeable number, because it can be changed into a prime (50071317071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7868431 + ... + 7874791.

It is an arithmetic number, because the mean of its divisors is an integer number (3429296136).

Almost surely, 250071317571 is an apocalyptic number.

50071317571 is a deficient number, since it is larger than the sum of its proper divisors (4797420605).

50071317571 is a wasteful number, since it uses less digits than its factorization.

50071317571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9474.

The product of its (nonzero) digits is 25725, while the sum is 37.

The spelling of 50071317571 in words is "fifty billion, seventy-one million, three hundred seventeen thousand, five hundred seventy-one".

Divisors: 1 11 251 2761 2851 6361 31361 69971 715601 1596611 7871611 17562721 18135211 199487321 4551937961 50071317571