Base | Representation |
---|---|
bin | 110100100011011000111000… |
… | …000010101111100001111100 |
3 | 1010022100211201201120212110210 |
4 | 310203120320002233201330 |
5 | 220243314333414410022 |
6 | 2135323444305232420 |
7 | 66453420361100241 |
oct | 6443307002574174 |
9 | 1108324651525423 |
10 | 231130310310012 |
11 | 677108a5684983 |
12 | 21b0a729332710 |
13 | 9bc7657c38c79 |
14 | 4110aa3bbb5c8 |
15 | 1bac36a7dba0c |
hex | d236380af87c |
231130310310012 has 24 divisors (see below), whose sum is σ = 548145107512912. Its totient is φ = 75780429609600.
The previous prime is 231130310310001. The next prime is 231130310310059. The reversal of 231130310310012 is 210013013031132.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157875894289 + ... + 157875895752.
Almost surely, 2231130310310012 is an apocalyptic number.
It is an amenable number.
231130310310012 is an abundant number, since it is smaller than the sum of its proper divisors (317014797202900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231130310310012 is a wasteful number, since it uses less digits than its factorization.
231130310310012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 315751790109 (or 315751790107 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 21.
Adding to 231130310310012 its reverse (210013013031132), we get a palindrome (441143323341144).
The spelling of 231130310310012 in words is "two hundred thirty-one trillion, one hundred thirty billion, three hundred ten million, three hundred ten thousand, twelve".
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