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12389311104 = 27337398629
BaseRepresentation
bin10111000100111010…
…11110001010000000
31011222102200012210020
423202131132022000
5200333130423404
65405213533440
7616006256352
oct134235361200
934872605706
1012389311104
115288496895
1224991a4280
131225a02b21
148575dd0d2
154c7a21ed9
hex2e275e280

12389311104 has 64 divisors (see below), whose sum is σ = 32921724000. Its totient is φ = 4128187392.

The previous prime is 12389311093. The next prime is 12389311141. The reversal of 12389311104 is 40111398321.

It is a tau number, because it is divible by the number of its divisors (64).

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, 1431462 + ... + 1440090.

Almost surely, 212389311104 is an apocalyptic number.

It is an amenable number.

12389311104 is an abundant number, since it is smaller than the sum of its proper divisors (20532412896).

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

12389311104 is an equidigital number, since it uses as much as digits as its factorization.

12389311104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12385 (or 12373 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The spelling of 12389311104 in words is "twelve billion, three hundred eighty-nine million, three hundred eleven thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 3739 7478 8629 11217 14956 17258 22434 25887 29912 34516 44868 51774 59824 69032 89736 103548 119648 138064 179472 207096 239296 276128 358944 414192 478592 552256 717888 828384 1104512 1435776 1656768 3313536 32263831 64527662 96791493 129055324 193582986 258110648 387165972 516221296 774331944 1032442592 1548663888 2064885184 3097327776 4129770368 6194655552 12389311104