Base | Representation |
---|---|
bin | 111000111010100000… |
… | …0110011110110101101 |
3 | 102200110212200122021201 |
4 | 1301311000303312231 |
5 | 4000302342342312 |
6 | 132051554325501 |
7 | 11554531551601 |
oct | 1616500636655 |
9 | 380425618251 |
10 | 122222230957 |
11 | 4791a299132 |
12 | 1b82bb89891 |
13 | b6aa700728 |
14 | 5cb652d501 |
15 | 32a5114557 |
hex | 1c75033dad |
122222230957 has 2 divisors, whose sum is σ = 122222230958. Its totient is φ = 122222230956.
The previous prime is 122222230883. The next prime is 122222230961. The reversal of 122222230957 is 759032222221.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 112646825641 + 9575405316 = 335629^2 + 97854^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122222230957 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (122222230657) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61111115478 + 61111115479.
It is an arithmetic number, because the mean of its divisors is an integer number (61111115479).
Almost surely, 2122222230957 is an apocalyptic number.
It is an amenable number.
122222230957 is a deficient number, since it is larger than the sum of its proper divisors (1).
122222230957 is an equidigital number, since it uses as much as digits as its factorization.
122222230957 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 60480, while the sum is 37.
The spelling of 122222230957 in words is "one hundred twenty-two billion, two hundred twenty-two million, two hundred thirty thousand, nine hundred fifty-seven".
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