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12375775672 = 2313472531869
BaseRepresentation
bin10111000011010011…
…10101100110111000
31011221111012112122221
423201221311212320
5200321144310142
65404011453424
7615453233431
oct134151654670
934844175587
1012375775672
115280891487
122494757274
131222c73cb0
148558b8488
154c674b767
hex2e1a759b8

12375775672 has 32 divisors (see below), whose sum is σ = 25521249600. Its totient is φ = 5590364544.

The previous prime is 12375775663. The next prime is 12375775679. The reversal of 12375775672 is 27657757321.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12375775679) 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, 1261047 + ... + 1270822.

It is an arithmetic number, because the mean of its divisors is an integer number (797539050).

Almost surely, 212375775672 is an apocalyptic number.

It is an amenable number.

12375775672 is an abundant number, since it is smaller than the sum of its proper divisors (13145473928).

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

12375775672 is a wasteful number, since it uses less digits than its factorization.

12375775672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531935 (or 2531931 counting only the distinct ones).

The product of its digits is 4321800, while the sum is 52.

The spelling of 12375775672 in words is "twelve billion, three hundred seventy-five million, seven hundred seventy-five thousand, six hundred seventy-two".

Divisors: 1 2 4 8 13 26 47 52 94 104 188 376 611 1222 2444 4888 2531869 5063738 10127476 20254952 32914297 65828594 118997843 131657188 237995686 263314376 475991372 951982744 1546971959 3093943918 6187887836 12375775672