Search a number
-
+
131331045015 = 3255413539159
BaseRepresentation
bin111101001001111110…
…0001011011010010111
3110112222200112100010100
41322103330023122113
54122431221420030
6140155504025143
712326335315032
oct1722374133227
9415880470110
10131331045015
1150773a50a35
12215526021b3
13c4cc88c331
1464dc18c019
153639b37360
hex1e93f0b697

131331045015 has 24 divisors (see below), whose sum is σ = 227682954720. Its totient is φ = 70030154304.

The previous prime is 131331044983. The next prime is 131331045023. The reversal of 131331045015 is 510540133131.

It is a happy number.

131331045015 is a `hidden beast` number, since 13 + 133 + 10 + 4 + 501 + 5 = 666.

It is not a de Polignac number, because 131331045015 - 25 = 131331044983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131331045015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25995 + ... + 513164.

It is an arithmetic number, because the mean of its divisors is an integer number (9486789780).

Almost surely, 2131331045015 is an apocalyptic number.

131331045015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131331045015 is a deficient number, since it is larger than the sum of its proper divisors (96351909705).

131331045015 is a wasteful number, since it uses less digits than its factorization.

131331045015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544583 (or 544580 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

Adding to 131331045015 its reverse (510540133131), we get a palindrome (641871178146).

The spelling of 131331045015 in words is "one hundred thirty-one billion, three hundred thirty-one million, forty-five thousand, fifteen".

Divisors: 1 3 5 9 15 45 5413 16239 27065 48717 81195 243585 539159 1617477 2695795 4852431 8087385 24262155 2918467667 8755403001 14592338335 26266209003 43777015005 131331045015