Base | Representation |
---|---|
bin | 111000110110111011… |
… | …0100011010111101001 |
3 | 102200011111122102121212 |
4 | 1301231312203113221 |
5 | 4000031114221411 |
6 | 132032023442505 |
7 | 11551542511103 |
oct | 1615566432751 |
9 | 380144572555 |
10 | 122102101481 |
11 | 478684a9078 |
12 | 1b7b78b6435 |
13 | b68b85c8b9 |
14 | 5ca45bc573 |
15 | 32997d568b |
hex | 1c6dda35e9 |
122102101481 has 2 divisors, whose sum is σ = 122102101482. Its totient is φ = 122102101480.
The previous prime is 122102101453. The next prime is 122102101501. The reversal of 122102101481 is 184101201221.
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., 106853803225 + 15248298256 = 326885^2 + 123484^2 .
It is a cyclic number.
It is not a de Polignac number, because 122102101481 - 26 = 122102101417 is a prime.
It is a super-2 number, since 2×1221021014812 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (122102101411) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61051050740 + 61051050741.
It is an arithmetic number, because the mean of its divisors is an integer number (61051050741).
Almost surely, 2122102101481 is an apocalyptic number.
It is an amenable number.
122102101481 is a deficient number, since it is larger than the sum of its proper divisors (1).
122102101481 is an equidigital number, since it uses as much as digits as its factorization.
122102101481 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 256, while the sum is 23.
The spelling of 122102101481 in words is "one hundred twenty-two billion, one hundred two million, one hundred one thousand, four hundred eighty-one".
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