Base | Representation |
---|---|
bin | 1101011100101001110… |
… | …1111001010001111000 |
3 | 211002022212220010221120 |
4 | 3113022131321101320 |
5 | 12241122201213422 |
6 | 254044520505240 |
7 | 22456066313046 |
oct | 3271235712170 |
9 | 732285803846 |
10 | 231030101112 |
11 | 89a85518468 |
12 | 3893761b220 |
13 | 18a2ac30455 |
14 | b279271396 |
15 | 602272845c |
hex | 35ca779478 |
231030101112 has 32 divisors (see below), whose sum is σ = 577621801680. Its totient is φ = 77003827200.
The previous prime is 231030101089. The next prime is 231030101153. The reversal of 231030101112 is 211101030132.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 231030101091 and 231030101100.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78889 + ... + 684312.
Almost surely, 2231030101112 is an apocalyptic number.
It is an amenable number.
231030101112 is an abundant number, since it is smaller than the sum of its proper divisors (346591700568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231030101112 is a wasteful number, since it uses less digits than its factorization.
231030101112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 775823 (or 775819 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 231030101112 its reverse (211101030132), we get a palindrome (442131131244).
The spelling of 231030101112 in words is "two hundred thirty-one billion, thirty million, one hundred one thousand, one hundred twelve".
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