Base | Representation |
---|---|
bin | 111000111011001011… |
… | …1111010001110111101 |
3 | 102200112110122122210122 |
4 | 1301312113322032331 |
5 | 4000324214013423 |
6 | 132054131544325 |
7 | 11555226616241 |
oct | 1616627721675 |
9 | 380473578718 |
10 | 122245063613 |
11 | 479311736a2 |
12 | 1b83775b0a5 |
13 | b6b236628a |
14 | 5cb9594421 |
15 | 32a71248c8 |
hex | 1c765fa3bd |
122245063613 has 2 divisors, whose sum is σ = 122245063614. Its totient is φ = 122245063612.
The previous prime is 122245063537. The next prime is 122245063621. The reversal of 122245063613 is 316360542221.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 106159975684 + 16085087929 = 325822^2 + 126827^2 .
It is an emirp because it is prime and its reverse (316360542221) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122245063613 is a prime.
It is a super-2 number, since 2×1222450636132 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (122245063693) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61122531806 + 61122531807.
It is an arithmetic number, because the mean of its divisors is an integer number (61122531807).
Almost surely, 2122245063613 is an apocalyptic number.
It is an amenable number.
122245063613 is a deficient number, since it is larger than the sum of its proper divisors (1).
122245063613 is an equidigital number, since it uses as much as digits as its factorization.
122245063613 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 51840, while the sum is 35.
The spelling of 122245063613 in words is "one hundred twenty-two billion, two hundred forty-five million, sixty-three thousand, six hundred thirteen".
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