Base | Representation |
---|---|
bin | 11011100010011… |
… | …11011100011010 |
3 | 121002200122001112 |
4 | 31301033130122 |
5 | 433114341442 |
6 | 34531220322 |
7 | 5503366505 |
oct | 1561173432 |
9 | 532618045 |
10 | 231012122 |
11 | 109444910 |
12 | 654476a2 |
13 | 38b24b83 |
14 | 2297613c |
15 | 15433082 |
hex | dc4f71a |
231012122 has 32 divisors (see below), whose sum is σ = 389539584. Its totient is φ = 101836800.
The previous prime is 231012113. The next prime is 231012143. The reversal of 231012122 is 221210132.
It is a happy number.
231012122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 231012097 and 231012106.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173423 + ... + 174749.
It is an arithmetic number, because the mean of its divisors is an integer number (12173112).
Almost surely, 2231012122 is an apocalyptic number.
231012122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
231012122 is a deficient number, since it is larger than the sum of its proper divisors (158527462).
231012122 is a wasteful number, since it uses less digits than its factorization.
231012122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1574.
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 231012122 is about 15199.0829328614. The cubic root of 231012122 is about 613.5899765456.
Adding to 231012122 its reverse (221210132), we get a palindrome (452222254).
The spelling of 231012122 in words is "two hundred thirty-one million, twelve thousand, one hundred twenty-two".
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