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13019300968863 = 37619966712803
BaseRepresentation
bin1011110101110100101011…
…0011110011100110011111
31201002122002110200100002010
42331131022303303212133
53201302012022000423
643404552335202303
72512420262210550
oct275351263634637
951078073610063
1013019300968863
11416a4aaa91332
121563289676393
1373593a5a2957
143301cd546327
151789ddd72693
hexbd74acf399f

13019300968863 has 8 divisors (see below), whose sum is σ = 19838934809728. Its totient is φ = 7439600553624.

The previous prime is 13019300968859. The next prime is 13019300968897. The reversal of 13019300968863 is 36886900391031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13019300968863 - 22 = 13019300968859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13019300968813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309983356381 + ... + 309983356422.

It is an arithmetic number, because the mean of its divisors is an integer number (2479866851216).

Almost surely, 213019300968863 is an apocalyptic number.

13019300968863 is a deficient number, since it is larger than the sum of its proper divisors (6819633840865).

13019300968863 is an equidigital number, since it uses as much as digits as its factorization.

13019300968863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619966712813.

The product of its (nonzero) digits is 5038848, while the sum is 57.

The spelling of 13019300968863 in words is "thirteen trillion, nineteen billion, three hundred million, nine hundred sixty-eight thousand, eight hundred sixty-three".

Divisors: 1 3 7 21 619966712803 1859900138409 4339766989621 13019300968863