Search a number
-
+
12412131511 = 1317269920809
BaseRepresentation
bin10111000111101001…
…00001100010110111
31012001000121121111111
423203310201202313
5200410001202021
65411351015451
7616404243223
oct134364414267
935030547444
1012412131511
11529a36312a
1224a496a587
13122a662c20
1485a65d783
154c9a2d8e1
hex2e3d218b7

12412131511 has 16 divisors (see below), whose sum is σ = 14159124000. Its totient is φ = 10778876928.

The previous prime is 12412131497. The next prime is 12412131517. The reversal of 12412131511 is 11513121421.

It is not a de Polignac number, because 12412131511 - 27 = 12412131383 is a prime.

It is a super-2 number, since 2×124121315112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12412131517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 586075 + ... + 606883.

It is an arithmetic number, because the mean of its divisors is an integer number (884945250).

Almost surely, 212412131511 is an apocalyptic number.

12412131511 is a deficient number, since it is larger than the sum of its proper divisors (1746992489).

12412131511 is a wasteful number, since it uses less digits than its factorization.

12412131511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23538.

The product of its digits is 240, while the sum is 22.

Adding to 12412131511 its reverse (11513121421), we get a palindrome (23925252932).

The spelling of 12412131511 in words is "twelve billion, four hundred twelve million, one hundred thirty-one thousand, five hundred eleven".

Divisors: 1 13 17 221 2699 20809 35087 45883 270517 353753 596479 4598789 56163491 730125383 954779347 12412131511