Base | Representation |
---|---|
bin | 11011100011010… |
… | …01111000011100 |
3 | 121002220010121021 |
4 | 31301221320130 |
5 | 433131323122 |
6 | 34533413524 |
7 | 5504330305 |
oct | 1561517034 |
9 | 532803537 |
10 | 231120412 |
11 | 109509206 |
12 | 6549a2a4 |
13 | 38b62253 |
14 | 229a37ac |
15 | 154551c7 |
hex | dc69e1c |
231120412 has 12 divisors (see below), whose sum is σ = 404597536. Its totient is φ = 115521120.
The previous prime is 231120397. The next prime is 231120413. The reversal of 231120412 is 214021132.
231120412 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231120413) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6568 + ... + 22480.
Almost surely, 2231120412 is an apocalyptic number.
It is an amenable number.
231120412 is a deficient number, since it is larger than the sum of its proper divisors (173477124).
231120412 is a wasteful number, since it uses less digits than its factorization.
231120412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19548 (or 19546 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 231120412 is about 15202.6449014637. The cubic root of 231120412 is about 613.6858377184.
Adding to 231120412 its reverse (214021132), we get a palindrome (445141544).
The spelling of 231120412 in words is "two hundred thirty-one million, one hundred twenty thousand, four hundred twelve".
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