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13120120403432 = 237234287864347
BaseRepresentation
bin1011111011101100010000…
…0111011011010111101000
31201110021022202020021020022
42332323010013123113220
53204430001310402212
643523144453420012
72522616546235250
oct276730407332750
951407282207208
1013120120403432
1141a9236a21789
12157a92593a608
137422b6aab203
14335035350960
1517b43eec2772
hexbeec41db5e8

13120120403432 has 16 divisors (see below), whose sum is σ = 28114543721760. Its totient is φ = 5622908744304.

The previous prime is 13120120403413. The next prime is 13120120403441. The reversal of 13120120403432 is 23430402102131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117143932118 + ... + 117143932229.

It is an arithmetic number, because the mean of its divisors is an integer number (1757158982610).

Almost surely, 213120120403432 is an apocalyptic number.

It is an amenable number.

13120120403432 is an abundant number, since it is smaller than the sum of its proper divisors (14994423318328).

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

13120120403432 is a wasteful number, since it uses less digits than its factorization.

13120120403432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234287864360 (or 234287864356 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 13120120403432 its reverse (23430402102131), we get a palindrome (36550522505563).

The spelling of 13120120403432 in words is "thirteen trillion, one hundred twenty billion, one hundred twenty million, four hundred three thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 56 234287864347 468575728694 937151457388 1640015050429 1874302914776 3280030100858 6560060201716 13120120403432