Search a number
-
+
13079317870 = 251307931787
BaseRepresentation
bin11000010111001011…
…01000110101101110
31020202112001012010101
430023211220311232
5203241301132440
610001503101314
7642055240033
oct141345506556
936675035111
1013079317870
115601a30113
1226502a183a
131305953758
148c10d538a
155183bd69a
hex30b968d6e

13079317870 has 8 divisors (see below), whose sum is σ = 23542772184. Its totient is φ = 5231727144.

The previous prime is 13079317861. The next prime is 13079317883. The reversal of 13079317870 is 7871397031.

13079317870 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13079317870.

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, 653965884 + ... + 653965903.

It is an arithmetic number, because the mean of its divisors is an integer number (2942846523).

Almost surely, 213079317870 is an apocalyptic number.

13079317870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13079317870 is a deficient number, since it is larger than the sum of its proper divisors (10463454314).

13079317870 is a wasteful number, since it uses less digits than its factorization.

13079317870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307931794.

The product of its (nonzero) digits is 222264, while the sum is 46.

The spelling of 13079317870 in words is "thirteen billion, seventy-nine million, three hundred seventeen thousand, eight hundred seventy".

Divisors: 1 2 5 10 1307931787 2615863574 6539658935 13079317870