Base | Representation |
---|---|
bin | 1110100100100… |
… | …01101001110101 |
3 | 22111222222222101 |
4 | 13102101221311 |
5 | 222242401123 |
6 | 20043502101 |
7 | 3012643543 |
oct | 722215165 |
9 | 274888871 |
10 | 122231413 |
11 | 62aa62a7 |
12 | 34b27931 |
13 | 1c4287a5 |
14 | 1233ad93 |
15 | aae6aad |
hex | 7491a75 |
122231413 has 4 divisors (see below), whose sum is σ = 125074048. Its totient is φ = 119388780.
The previous prime is 122231381. The next prime is 122231423. The reversal of 122231413 is 314132221.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 122231413 - 25 = 122231381 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122231423) 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, 1421253 + ... + 1421338.
It is an arithmetic number, because the mean of its divisors is an integer number (31268512).
Almost surely, 2122231413 is an apocalyptic number.
It is an amenable number.
122231413 is a deficient number, since it is larger than the sum of its proper divisors (2842635).
122231413 is an equidigital number, since it uses as much as digits as its factorization.
122231413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2842634.
The product of its digits is 288, while the sum is 19.
The square root of 122231413 is about 11055.8316286022. The cubic root of 122231413 is about 496.2809566858.
Adding to 122231413 its reverse (314132221), we get a palindrome (436363634).
The spelling of 122231413 in words is "one hundred twenty-two million, two hundred thirty-one thousand, four hundred thirteen".
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