Base | Representation |
---|---|
bin | 111000000100010100… |
… | …1010001101001110111 |
3 | 102111210011121010222111 |
4 | 1300020221101221313 |
5 | 3433041423402411 |
6 | 131151330111451 |
7 | 11461504103221 |
oct | 1601051215167 |
9 | 374704533874 |
10 | 120404122231 |
11 | 47076a96138 |
12 | 1b40311b587 |
13 | b47ab40053 |
14 | 5b82ca1411 |
15 | 31ea6d0721 |
hex | 1c08a51a77 |
120404122231 has 2 divisors, whose sum is σ = 120404122232. Its totient is φ = 120404122230.
The previous prime is 120404122229. The next prime is 120404122271. The reversal of 120404122231 is 132221404021.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 120404122231 - 21 = 120404122229 is a prime.
It is a super-2 number, since 2×1204041222312 (a number of 23 digits) contains 22 as substring.
Together with 120404122229, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (120404122271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60202061115 + 60202061116.
It is an arithmetic number, because the mean of its divisors is an integer number (60202061116).
Almost surely, 2120404122231 is an apocalyptic number.
120404122231 is a deficient number, since it is larger than the sum of its proper divisors (1).
120404122231 is an equidigital number, since it uses as much as digits as its factorization.
120404122231 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 768, while the sum is 22.
Adding to 120404122231 its reverse (132221404021), we get a palindrome (252625526252).
The spelling of 120404122231 in words is "one hundred twenty billion, four hundred four million, one hundred twenty-two thousand, two hundred thirty-one".
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