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13912383893 = 102115438831
BaseRepresentation
bin11001111010011111…
…00010000110010101
31022220120121022212112
430331033202012111
5211443032241033
610220302400405
71001522211662
oct147517420625
938816538775
1013912383893
11599a1a5a31
122843290105
131409413025
1495d9caa69
155665c7c48
hex33d3e2195

13912383893 has 8 divisors (see below), whose sum is σ = 13936613376. Its totient is φ = 13888177200.

The previous prime is 13912383883. The next prime is 13912383913. The reversal of 13912383893 is 39838321931.

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

It is a cyclic number.

It is not a de Polignac number, because 13912383893 - 28 = 13912383637 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 (13912383803) 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, 1570988 + ... + 1579818.

It is an arithmetic number, because the mean of its divisors is an integer number (1742076672).

Almost surely, 213912383893 is an apocalyptic number.

It is an amenable number.

13912383893 is a deficient number, since it is larger than the sum of its proper divisors (24229483).

13912383893 is a wasteful number, since it uses less digits than its factorization.

13912383893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11395.

The product of its digits is 839808, while the sum is 50.

The spelling of 13912383893 in words is "thirteen billion, nine hundred twelve million, three hundred eighty-three thousand, eight hundred ninety-three".

Divisors: 1 1021 1543 8831 1575403 9016451 13626233 13912383893