Base | Representation |
---|---|
bin | 10101100010101110… |
… | …010000110101001110 |
3 | 2012201001022012210111 |
4 | 111202232100311032 |
5 | 334333032144324 |
6 | 14343140230234 |
7 | 1446132241222 |
oct | 254256206516 |
9 | 65631265714 |
10 | 23131131214 |
11 | 989aa14274 |
12 | 459669b37a |
13 | 22482b27b9 |
14 | 11960a4782 |
15 | 905ab3794 |
hex | 562b90d4e |
23131131214 has 16 divisors (see below), whose sum is σ = 35406095328. Its totient is φ = 11329775392.
The previous prime is 23131131193. The next prime is 23131131223. The reversal of 23131131214 is 41213113132.
It is a super-2 number, since 2×231311312142 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100057 + ... + 237220.
It is an arithmetic number, because the mean of its divisors is an integer number (2212880958).
Almost surely, 223131131214 is an apocalyptic number.
23131131214 is a deficient number, since it is larger than the sum of its proper divisors (12274964114).
23131131214 is a wasteful number, since it uses less digits than its factorization.
23131131214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 337979.
The product of its digits is 432, while the sum is 22.
Adding to 23131131214 its reverse (41213113132), we get a palindrome (64344244346).
The spelling of 23131131214 in words is "twenty-three billion, one hundred thirty-one million, one hundred thirty-one thousand, two hundred fourteen".
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