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42392718834 = 2310964820671
BaseRepresentation
bin100111011110110011…
…011000110111110010
311001102102101020200120
4213132303120313302
51143310014000314
631250331031110
73030350110314
oct473663306762
9131372336616
1042392718834
1116a84648124
12827129b496
133cc79bc01b
1420a22937b4
151181ac08a9
hex9decd8df2

42392718834 has 16 divisors (see below), whose sum is σ = 85563287040. Its totient is φ = 14001264720.

The previous prime is 42392718817. The next prime is 42392718853. The reversal of 42392718834 is 43881729324.

It is a super-2 number, since 2×423927188342 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32409682 + ... + 32410989.

It is an arithmetic number, because the mean of its divisors is an integer number (5347705440).

Almost surely, 242392718834 is an apocalyptic number.

42392718834 is an abundant number, since it is smaller than the sum of its proper divisors (43170568206).

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

42392718834 is a wasteful number, since it uses less digits than its factorization.

42392718834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64820785.

The product of its digits is 2322432, while the sum is 51.

The spelling of 42392718834 in words is "forty-two billion, three hundred ninety-two million, seven hundred eighteen thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 109 218 327 654 64820671 129641342 194462013 388924026 7065453139 14130906278 21196359417 42392718834