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13006527287668 = 2219171138516943
BaseRepresentation
bin1011110101000101000101…
…1100000101000101110100
31201001102010020202002122121
42331101101130011011310
53201044331441201133
643355041031005324
72511455604544525
oct275212134050564
951042106662577
1013006527287668
114165045635612
121560903809844
13734683071805
1432d73ac9084c
151784e272802d
hexbd451705174

13006527287668 has 12 divisors (see below), whose sum is σ = 23959392372160. Its totient is φ = 6160986609912.

The previous prime is 13006527287623. The next prime is 13006527287771. The reversal of 13006527287668 is 86678272560031.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85569258396 + ... + 85569258547.

Almost surely, 213006527287668 is an apocalyptic number.

It is an amenable number.

13006527287668 is a deficient number, since it is larger than the sum of its proper divisors (10952865084492).

13006527287668 is a wasteful number, since it uses less digits than its factorization.

13006527287668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171138516966 (or 171138516964 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 13006527287668 in words is "thirteen trillion, six billion, five hundred twenty-seven million, two hundred eighty-seven thousand, six hundred sixty-eight".

Divisors: 1 2 4 19 38 76 171138516943 342277033886 684554067772 3251631821917 6503263643834 13006527287668