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71904732734 = 2117130702277
BaseRepresentation
bin100001011110111011…
…0110010011000111110
320212121011102212222102
41002331312302120332
52134230102421414
653011011545102
75123603100212
oct1027566623076
9225534385872
1071904732734
112854938aa5a
1211b288bb192
136a1bc47443
1436a1992942
151d0c955ede
hex10bddb263e

71904732734 has 8 divisors (see below), whose sum is σ = 107949209448. Its totient is φ = 35921662920.

The previous prime is 71904732727. The next prime is 71904732743. The reversal of 71904732734 is 43723740917.

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

It is a super-2 number, since 2×719047327342 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15348797 + ... + 15353480.

It is an arithmetic number, because the mean of its divisors is an integer number (13493651181).

Almost surely, 271904732734 is an apocalyptic number.

71904732734 is a deficient number, since it is larger than the sum of its proper divisors (36044476714).

71904732734 is a wasteful number, since it uses less digits than its factorization.

71904732734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30703450.

The product of its (nonzero) digits is 889056, while the sum is 47.

The spelling of 71904732734 in words is "seventy-one billion, nine hundred four million, seven hundred thirty-two thousand, seven hundred thirty-four".

Divisors: 1 2 1171 2342 30702277 61404554 35952366367 71904732734