Base | Representation |
---|---|
bin | 1001000101111100101… |
… | …11010111100011010010 |
3 | 1002212102212212201102201 |
4 | 10202332113113203102 |
5 | 20104324422122010 |
6 | 355310134033414 |
7 | 31400225304013 |
oct | 4427627274322 |
9 | 1085385781381 |
10 | 312431442130 |
11 | 110557449815 |
12 | 506747a886a |
13 | 23601493222 |
14 | 1119c18b00a |
15 | 81d8c5423a |
hex | 48be5d78d2 |
312431442130 has 8 divisors (see below), whose sum is σ = 562376595852. Its totient is φ = 124972576848.
The previous prime is 312431442119. The next prime is 312431442161. The reversal of 312431442130 is 31244134213.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 302705734969 + 9725707161 = 550187^2 + 98619^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×3124314421302 (a number of 24 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15621572097 + ... + 15621572116.
Almost surely, 2312431442130 is an apocalyptic number.
312431442130 is a deficient number, since it is larger than the sum of its proper divisors (249945153722).
312431442130 is a wasteful number, since it uses less digits than its factorization.
312431442130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31243144220.
The product of its (nonzero) digits is 6912, while the sum is 28.
Adding to 312431442130 its reverse (31244134213), we get a palindrome (343675576343).
The spelling of 312431442130 in words is "three hundred twelve billion, four hundred thirty-one million, four hundred forty-two thousand, one hundred thirty".
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