Base | Representation |
---|---|
bin | 111000111101001011… |
… | …1010010100111110111 |
3 | 102200201010121220022000 |
4 | 1301322113102213313 |
5 | 4000443333311411 |
6 | 132104522510343 |
7 | 11560001635005 |
oct | 1617227224767 |
9 | 380633556260 |
10 | 122312010231 |
11 | 47965a39684 |
12 | 1b8560653b3 |
13 | b6c31a6068 |
14 | 5cc441da75 |
15 | 32ace4a956 |
hex | 1c7a5d29f7 |
122312010231 has 8 divisors (see below), whose sum is σ = 181202978160. Its totient is φ = 81541340136.
The previous prime is 122312010203. The next prime is 122312010239. The reversal of 122312010231 is 132010213221.
122312010231 is a `hidden beast` number, since 1 + 2 + 231 + 201 + 0 + 231 = 666.
It is not a de Polignac number, because 122312010231 - 211 = 122312008183 is a prime.
It is a super-2 number, since 2×1223120102312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122312010239) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2265037200 + ... + 2265037253.
It is an arithmetic number, because the mean of its divisors is an integer number (22650372270).
Almost surely, 2122312010231 is an apocalyptic number.
122312010231 is a deficient number, since it is larger than the sum of its proper divisors (58890967929).
122312010231 is an equidigital number, since it uses as much as digits as its factorization.
122312010231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4530074462 (or 4530074456 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 122312010231 its reverse (132010213221), we get a palindrome (254322223452).
The spelling of 122312010231 in words is "one hundred twenty-two billion, three hundred twelve million, ten thousand, two hundred thirty-one".
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