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13079751048 = 2335713107691
BaseRepresentation
bin11000010111001110…
…10010100110001000
31020202112212012100000
430023213102212020
5203241404013143
610001520243000
7642062022660
oct141347224610
936675765300
1013079751048
1156021a6611
122650470460
131305a75980
148c11a91a0
15518456bd3
hex30b9d2988

13079751048 has 384 divisors, whose sum is σ = 45702558720. Its totient is φ = 3412419840.

The previous prime is 13079750987. The next prime is 13079751103. The reversal of 13079751048 is 84015797031.

13079751048 is a `hidden beast` number, since 1 + 3 + 0 + 7 + 97 + 510 + 48 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 13079750994 and 13079751012.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18928383 + ... + 18929073.

It is an arithmetic number, because the mean of its divisors is an integer number (119017080).

Almost surely, 213079751048 is an apocalyptic number.

13079751048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13079751048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22851279360).

13079751048 is an abundant number, since it is smaller than the sum of its proper divisors (32622807672).

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

13079751048 is a wasteful number, since it uses less digits than its factorization.

13079751048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839 (or 823 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 13079751048 in words is "thirteen billion, seventy-nine million, seven hundred fifty-one thousand, forty-eight".