Base | Representation |
---|---|
bin | 111000111010101111… |
… | …0011111110100101111 |
3 | 102200111102100000120002 |
4 | 1301311132133310233 |
5 | 4000311340410411 |
6 | 132052433214515 |
7 | 11554654653464 |
oct | 1616536376457 |
9 | 380442300502 |
10 | 122230013231 |
11 | 47923724067 |
12 | 1b83270143b |
13 | b6ac1c6a21 |
14 | 5cb759766b |
15 | 32a5b5033b |
hex | 1c7579fd2f |
122230013231 has 4 divisors (see below), whose sum is σ = 122253483600. Its totient is φ = 122206542864.
The previous prime is 122230013219. The next prime is 122230013237. The reversal of 122230013231 is 132310032221.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 122230013231 - 222 = 122225818927 is a prime.
It is a super-2 number, since 2×1222300132312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122230013237) 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, 11727371 + ... + 11737788.
It is an arithmetic number, because the mean of its divisors is an integer number (30563370900).
Almost surely, 2122230013231 is an apocalyptic number.
122230013231 is a deficient number, since it is larger than the sum of its proper divisors (23470369).
122230013231 is an equidigital number, since it uses as much as digits as its factorization.
122230013231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23470368.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 122230013231 its reverse (132310032221), we get a palindrome (254540045452).
The spelling of 122230013231 in words is "one hundred twenty-two billion, two hundred thirty million, thirteen thousand, two hundred thirty-one".
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