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12739282074 = 233235912631
BaseRepresentation
bin10111101110101001…
…00000010010011010
31012212211012120201000
423313110200102122
5202042224011244
65504035005430
7630456053031
oct136724402232
935784176630
1012739282074
115447aa11a2
122576439876
131280378a3c
1488bc9d718
154e8602169
hex2f752049a

12739282074 has 16 divisors (see below), whose sum is σ = 28309515840. Its totient is φ = 4246427340.

The previous prime is 12739282063. The next prime is 12739282079. The reversal of 12739282074 is 47028293721.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12739282079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117956262 + ... + 117956369.

It is an arithmetic number, because the mean of its divisors is an integer number (1769344740).

Almost surely, 212739282074 is an apocalyptic number.

12739282074 is an abundant number, since it is smaller than the sum of its proper divisors (15570233766).

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

12739282074 is a wasteful number, since it uses less digits than its factorization.

12739282074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235912642 (or 235912636 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 12739282074 in words is "twelve billion, seven hundred thirty-nine million, two hundred eighty-two thousand, seventy-four".

Divisors: 1 2 3 6 9 18 27 54 235912631 471825262 707737893 1415475786 2123213679 4246427358 6369641037 12739282074