Base | Representation |
---|---|
bin | 10111000111101001… |
… | …00001100010110111 |
3 | 1012001000121121111111 |
4 | 23203310201202313 |
5 | 200410001202021 |
6 | 5411351015451 |
7 | 616404243223 |
oct | 134364414267 |
9 | 35030547444 |
10 | 12412131511 |
11 | 529a36312a |
12 | 24a496a587 |
13 | 122a662c20 |
14 | 85a65d783 |
15 | 4c9a2d8e1 |
hex | 2e3d218b7 |
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".
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