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71390097084 = 2235949174757
BaseRepresentation
bin100001001111100101…
…1100110111010111100
320211021022001200120210
41002133023212322330
52132201331101314
652443545312420
75105053545555
oct1023713467274
9224238050523
1071390097084
1128304937639
1211a04495710
1369694397c7
1436534ab32c
151ccc69b559
hex109f2e6ebc

71390097084 has 12 divisors (see below), whose sum is σ = 166576893224. Its totient is φ = 23796699024.

The previous prime is 71390097011. The next prime is 71390097101. The reversal of 71390097084 is 48079009317.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2974587367 + ... + 2974587390.

Almost surely, 271390097084 is an apocalyptic number.

It is an amenable number.

71390097084 is an abundant number, since it is smaller than the sum of its proper divisors (95186796140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71390097084 is a wasteful number, since it uses less digits than its factorization.

71390097084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5949174764 (or 5949174762 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 48.

The spelling of 71390097084 in words is "seventy-one billion, three hundred ninety million, ninety-seven thousand, eighty-four".

Divisors: 1 2 3 4 6 12 5949174757 11898349514 17847524271 23796699028 35695048542 71390097084