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13013563612 = 2271979234851
BaseRepresentation
bin11000001111010101…
…10011100011011100
31020120221022112020111
430013222303203130
5203122433013422
65551153455404
7640326315460
oct140752634334
936527275214
1013013563612
1155788a9a55
122632271564
1312c51405ca
148b649a4a0
15512730a77
hex307ab38dc

13013563612 has 24 divisors (see below), whose sum is σ = 26040389760. Its totient is φ = 5574399600.

The previous prime is 13013563601. The next prime is 13013563639. The reversal of 13013563612 is 21636531031.

It is a congruent number.

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, 62014 + ... + 172837.

It is an arithmetic number, because the mean of its divisors is an integer number (1085016240).

Almost surely, 213013563612 is an apocalyptic number.

It is an amenable number.

13013563612 is an abundant number, since it is smaller than the sum of its proper divisors (13026826148).

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

13013563612 is a wasteful number, since it uses less digits than its factorization.

13013563612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236841 (or 236839 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 31.

The spelling of 13013563612 in words is "thirteen billion, thirteen million, five hundred sixty-three thousand, six hundred twelve".

Divisors: 1 2 4 7 14 28 1979 3958 7916 13853 27706 55412 234851 469702 939404 1643957 3287914 6575828 464770129 929540258 1859080516 3253390903 6506781806 13013563612