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12288139080 = 2335714628737
BaseRepresentation
bin10110111000110111…
…00001111101001000
31011201101022010212020
423130123201331020
5200131230422310
65351201244440
7613340313240
oct133433417510
934641263766
1012288139080
115236374848
12246b333720
13120aa6ba19
14847dc4b20
154bdbda170
hex2dc6e1f48

12288139080 has 64 divisors (see below), whose sum is σ = 42130765440. Its totient is φ = 2808717312.

The previous prime is 12288139027. The next prime is 12288139103. The reversal of 12288139080 is 8093188221.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 7313529 + ... + 7315208.

It is an arithmetic number, because the mean of its divisors is an integer number (658293210).

Almost surely, 212288139080 is an apocalyptic number.

12288139080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12288139080 is an abundant number, since it is smaller than the sum of its proper divisors (29842626360).

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

12288139080 is a wasteful number, since it uses less digits than its factorization.

12288139080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14628758 (or 14628754 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The spelling of 12288139080 in words is "twelve billion, two hundred eighty-eight million, one hundred thirty-nine thousand, eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 14628737 29257474 43886211 58514948 73143685 87772422 102401159 117029896 146287370 175544844 204802318 219431055 292574740 307203477 351089688 409604636 438862110 512005795 585149480 614406954 819209272 877724220 1024011590 1228813908 1536017385 1755448440 2048023180 2457627816 3072034770 4096046360 6144069540 12288139080