Base | Representation |
---|---|
bin | 111001010001100110… |
… | …0101001111111010101 |
3 | 102202110212201110121121 |
4 | 1302203030221333111 |
5 | 4003344223310323 |
6 | 132300514243541 |
7 | 11612660666626 |
oct | 1624314517725 |
9 | 382425643547 |
10 | 122997088213 |
11 | 4818771692a |
12 | 1ba075865b1 |
13 | b7a20bc44c |
14 | 5d4b3d1a4d |
15 | 32ed171a5d |
hex | 1ca3329fd5 |
122997088213 has 2 divisors, whose sum is σ = 122997088214. Its totient is φ = 122997088212.
The previous prime is 122997088189. The next prime is 122997088219. The reversal of 122997088213 is 312880799221.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 91121270769 + 31875817444 = 301863^2 + 178538^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122997088213 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (122997088219) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61498544106 + 61498544107.
It is an arithmetic number, because the mean of its divisors is an integer number (61498544107).
Almost surely, 2122997088213 is an apocalyptic number.
It is an amenable number.
122997088213 is a deficient number, since it is larger than the sum of its proper divisors (1).
122997088213 is an equidigital number, since it uses as much as digits as its factorization.
122997088213 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 870912, while the sum is 52.
The spelling of 122997088213 in words is "one hundred twenty-two billion, nine hundred ninety-seven million, eighty-eight thousand, two hundred thirteen".
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