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13567680690 = 23515112292437
BaseRepresentation
bin11001010001011001…
…00110000010110010
31022000112222120222020
430220230212002302
5210241311240230
610122150252310
7660135245244
oct145054460262
938015876866
1013567680690
115832669353
122767957096
131382b92a35
14929cdc094
155461d8810
hex328b260b2

13567680690 has 64 divisors (see below), whose sum is σ = 32818210560. Its totient is φ = 3589689600.

The previous prime is 13567680661. The next prime is 13567680697. The reversal of 13567680690 is 9608676531.

It is a super-2 number, since 2×135676806902 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13567680697) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5566152 + ... + 5568588.

It is an arithmetic number, because the mean of its divisors is an integer number (512784540).

Almost surely, 213567680690 is an apocalyptic number.

13567680690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13567680690 is an abundant number, since it is smaller than the sum of its proper divisors (19250529870).

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

13567680690 is a wasteful number, since it uses less digits than its factorization.

13567680690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3827.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 13567680690 in words is "thirteen billion, five hundred sixty-seven million, six hundred eighty thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 151 302 453 755 906 1229 1510 2265 2437 2458 3687 4530 4874 6145 7311 7374 12185 12290 14622 18435 24370 36555 36870 73110 185579 367987 371158 556737 735974 927895 1103961 1113474 1839935 1855790 2207922 2783685 2995073 3679870 5519805 5567370 5990146 8985219 11039610 14975365 17970438 29950730 44926095 89852190 452256023 904512046 1356768069 2261280115 2713536138 4522560230 6783840345 13567680690