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71047996374 = 2368571726897
BaseRepresentation
bin100001000101011001…
…0100110001111010110
320210101110100011122010
41002022302212033112
52131001241340444
652350005045050
75063431001445
oct1021262461726
9223343304563
1071047996374
1128149818283
12119299b6786
1369135bac54
14361dc98d5c
151cac6232b9
hex108aca63d6

71047996374 has 16 divisors (see below), whose sum is σ = 142116797808. Its totient is φ = 23679197952.

The previous prime is 71047996373. The next prime is 71047996391. The reversal of 71047996374 is 47369974017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71047996373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 822307 + ... + 904590.

It is an arithmetic number, because the mean of its divisors is an integer number (8882299863).

Almost surely, 271047996374 is an apocalyptic number.

71047996374 is an abundant number, since it is smaller than the sum of its proper divisors (71068801434).

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

71047996374 is a wasteful number, since it uses less digits than its factorization.

71047996374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733759.

The product of its (nonzero) digits is 8001504, while the sum is 57.

The spelling of 71047996374 in words is "seventy-one billion, forty-seven million, nine hundred ninety-six thousand, three hundred seventy-four".

Divisors: 1 2 3 6 6857 13714 20571 41142 1726897 3453794 5180691 10361382 11841332729 23682665458 35523998187 71047996374