Base | Representation |
---|---|
bin | 11011110001001111101001… |
… | …011110111010000110001101 |
3 | 121000102122021010210121111012 |
4 | 123301033221132322012031 |
5 | 112001444411414132443 |
6 | 1111430203355135005 |
7 | 34503460525352051 |
oct | 3361175136720615 |
9 | 530378233717435 |
10 | 122131312255373 |
11 | 35a076648a1aa3 |
12 | 11845a49444465 |
13 | 531bc196a1b25 |
14 | 22232893b9c61 |
15 | e1bdb07a8118 |
hex | 6f13e97ba18d |
122131312255373 has 2 divisors, whose sum is σ = 122131312255374. Its totient is φ = 122131312255372.
The previous prime is 122131312255369. The next prime is 122131312255417. The reversal of 122131312255373 is 373552213131221.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 104908662855049 + 17222649400324 = 10242493^2 + 4150018^2 .
It is an emirp because it is prime and its reverse (373552213131221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 122131312255373 - 22 = 122131312255369 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 122131312255373.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (122131312855373) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61065656127686 + 61065656127687.
It is an arithmetic number, because the mean of its divisors is an integer number (61065656127687).
Almost surely, 2122131312255373 is an apocalyptic number.
It is an amenable number.
122131312255373 is a deficient number, since it is larger than the sum of its proper divisors (1).
122131312255373 is an equidigital number, since it uses as much as digits as its factorization.
122131312255373 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 226800, while the sum is 41.
Adding to 122131312255373 its reverse (373552213131221), we get a palindrome (495683525386594).
The spelling of 122131312255373 in words is "one hundred twenty-two trillion, one hundred thirty-one billion, three hundred twelve million, two hundred fifty-five thousand, three hundred seventy-three".
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