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13431677892 = 2233121164731
BaseRepresentation
bin11001000001001011…
…10010001111000100
31021200002001221012120
430200211302033010
5210002002143032
610100451245540
7653564243523
oct144045621704
937602057176
1013431677892
115772917446
12272a2a98b0
131360954bc9
14915c184ba
155392c162c
hex3209723c4

13431677892 has 36 divisors (see below), whose sum is σ = 32384208528. Its totient is φ = 4332795600.

The previous prime is 13431677891. The next prime is 13431677933. The reversal of 13431677892 is 29877613431.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13431677891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 570834 + ... + 593897.

It is an arithmetic number, because the mean of its divisors is an integer number (899561348).

Almost surely, 213431677892 is an apocalyptic number.

13431677892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13431677892 is an abundant number, since it is smaller than the sum of its proper divisors (18952530636).

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

13431677892 is a wasteful number, since it uses less digits than its factorization.

13431677892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164800 (or 1164767 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 51.

The spelling of 13431677892 in words is "thirteen billion, four hundred thirty-one million, six hundred seventy-seven thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 961 1922 2883 3844 5766 11532 1164731 2329462 3494193 4658924 6988386 13976772 36106661 72213322 108319983 144426644 216639966 433279932 1119306491 2238612982 3357919473 4477225964 6715838946 13431677892