Search a number
-
+
13118049360 = 24335134631009
BaseRepresentation
bin11000011011110010…
…11000110001010000
31020212012220221202000
430031321120301100
5203331210034420
610005405154000
7643035402603
oct141571306120
936765827660
1013118049360
115621884709
12266125b900
131310994ab0
148c62d833a
1551b9be690
hex30de58c50

13118049360 has 320 divisors, whose sum is σ = 48813542400. Its totient is φ = 3218890752.

The previous prime is 13118049319. The next prime is 13118049397. The reversal of 13118049360 is 6394081131.

13118049360 is a `hidden beast` number, since 1 + 31 + 1 + 80 + 493 + 60 = 666.

It is a super-2 number, since 2×131180493602 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13000536 + ... + 13001544.

It is an arithmetic number, because the mean of its divisors is an integer number (152542320).

Almost surely, 213118049360 is an apocalyptic number.

13118049360 is a gapful number since it is divisible by the number (10) 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 13118049360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24406771200).

13118049360 is an abundant number, since it is smaller than the sum of its proper divisors (35695493040).

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

13118049360 is a wasteful number, since it uses less digits than its factorization.

13118049360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507 (or 1495 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 13118049360 in words is "thirteen billion, one hundred eighteen million, forty-nine thousand, three hundred sixty".