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13019252076 = 223213916132
BaseRepresentation
bin11000010000000001…
…00000010101101100
31020121100000112100100
430020000200111230
5203130412031301
65551515431100
7640425550065
oct141000402554
936540015310
1013019252076
115581034866
122634155490
1312c638286c
148b713b56c
15512ea6286
hex30802056c

13019252076 has 54 divisors (see below), whose sum is σ = 33167099420. Its totient is φ = 4305858336.

The previous prime is 13019252039. The next prime is 13019252089. The reversal of 13019252076 is 67025291031.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 13019252076.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8070646 + ... + 8072258.

Almost surely, 213019252076 is an apocalyptic number.

It is an amenable number.

13019252076 is an abundant number, since it is smaller than the sum of its proper divisors (20147847344).

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

13019252076 is a wasteful number, since it uses less digits than its factorization.

13019252076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3375 (or 1757 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The spelling of 13019252076 in words is "thirteen billion, nineteen million, two hundred fifty-two thousand, seventy-six".

Divisors: 1 2 3 4 6 9 12 18 36 139 278 417 556 834 1251 1613 1668 2502 3226 4839 5004 6452 9678 14517 19356 29034 58068 224207 448414 672621 896828 1345242 2017863 2601769 2690484 4035726 5203538 7805307 8071452 10407076 15610614 23415921 31221228 46831842 93663684 361645891 723291782 1084937673 1446583564 2169875346 3254813019 4339750692 6509626038 13019252076