Base | Representation |
---|---|
bin | 1110100110000… |
… | …00010110100101 |
3 | 22112100201100211 |
4 | 13103000112211 |
5 | 222320011233 |
6 | 20051535421 |
7 | 3014401321 |
oct | 723002645 |
9 | 275321324 |
10 | 122422693 |
11 | 63116a88 |
12 | 34bba571 |
13 | 1c494883 |
14 | 1238a981 |
15 | ab335cd |
hex | 74c05a5 |
122422693 has 2 divisors, whose sum is σ = 122422694. Its totient is φ = 122422692.
The previous prime is 122422637. The next prime is 122422711. The reversal of 122422693 is 396224221.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 105637284 + 16785409 = 10278^2 + 4097^2 .
It is an emirp because it is prime and its reverse (396224221) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122422693 is a prime.
It is a super-2 number, since 2×1224226932 = 29974631522744498, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (122422093) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61211346 + 61211347.
It is an arithmetic number, because the mean of its divisors is an integer number (61211347).
Almost surely, 2122422693 is an apocalyptic number.
It is an amenable number.
122422693 is a deficient number, since it is larger than the sum of its proper divisors (1).
122422693 is an equidigital number, since it uses as much as digits as its factorization.
122422693 is an evil number, because the sum of its binary digits is even.
The product of its digits is 10368, while the sum is 31.
The square root of 122422693 is about 11064.4788851532. The cubic root of 122422693 is about 496.5396985377.
The spelling of 122422693 in words is "one hundred twenty-two million, four hundred twenty-two thousand, six hundred ninety-three".
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