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12914439188 = 2272334757791
BaseRepresentation
bin11000000011100001…
…01011010000010100
31020100000210111002112
430001300223100110
5202422044023223
65533253130152
7635013631130
oct140160532024
936300714075
1012914439188
115527956342
122605029958
1312aa7454c1
148a72563c0
15508ba0778
hex301c2b414

12914439188 has 48 divisors (see below), whose sum is σ = 27030011904. Its totient is φ = 5278769760.

The previous prime is 12914439173. The next prime is 12914439217. The reversal of 12914439188 is 88193441921.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194573 + ... + 252363.

It is an arithmetic number, because the mean of its divisors is an integer number (563125248).

Almost surely, 212914439188 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12914439188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13515005952).

12914439188 is an abundant number, since it is smaller than the sum of its proper divisors (14115572716).

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

12914439188 is a wasteful number, since it uses less digits than its factorization.

12914439188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58172 (or 58170 counting only the distinct ones).

The product of its digits is 497664, while the sum is 50.

The spelling of 12914439188 in words is "twelve billion, nine hundred fourteen million, four hundred thirty-nine thousand, one hundred eighty-eight".

Divisors: 1 2 4 7 14 23 28 46 92 161 322 347 644 694 1388 2429 4858 7981 9716 15962 31924 55867 57791 111734 115582 223468 231164 404537 809074 1329193 1618148 2658386 5316772 9304351 18608702 20053477 37217404 40106954 80213908 140374339 280748678 461229971 561497356 922459942 1844919884 3228609797 6457219594 12914439188