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13133025660 = 2235573738153
BaseRepresentation
bin11000011101100101…
…00001000101111100
31020220021002211100210
430032302201011330
5203344023310120
610011102152420
7643306606356
oct141662410574
936807084323
1013133025660
11562a283617
122666282710
131313b09701
148c82b60d6
1551ce7bce0
hex30eca117c

13133025660 has 48 divisors (see below), whose sum is σ = 36779845536. Its totient is φ = 3501437952.

The previous prime is 13133025629. The next prime is 13133025679. The reversal of 13133025660 is 6652033131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 325144 + ... + 363296.

It is an arithmetic number, because the mean of its divisors is an integer number (766246782).

Almost surely, 213133025660 is an apocalyptic number.

13133025660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13133025660 is an abundant number, since it is smaller than the sum of its proper divisors (23646819876).

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

13133025660 is a wasteful number, since it uses less digits than its factorization.

13133025660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43902 (or 43900 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

Adding to 13133025660 its reverse (6652033131), we get a palindrome (19785058791).

The spelling of 13133025660 in words is "thirteen billion, one hundred thirty-three million, twenty-five thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 5737 11474 17211 22948 28685 34422 38153 57370 68844 76306 86055 114459 114740 152612 172110 190765 228918 344220 381530 457836 572295 763060 1144590 2289180 218883761 437767522 656651283 875535044 1094418805 1313302566 2188837610 2626605132 3283256415 4377675220 6566512830 13133025660