Base | Representation |
---|---|
bin | 10110110000111111… |
… | …01110101100001101 |
3 | 1011112210002120201221 |
4 | 23120133232230031 |
5 | 200012331142312 |
6 | 5340442403341 |
7 | 611606253601 |
oct | 133037565415 |
9 | 34483076657 |
10 | 12222130957 |
11 | 520208a983 |
12 | 2451200551 |
13 | 11ca19a16a |
14 | 83d321501 |
15 | 4b7eec207 |
hex | 2d87eeb0d |
12222130957 has 2 divisors, whose sum is σ = 12222130958. Its totient is φ = 12222130956.
The previous prime is 12222130937. The next prime is 12222130993. The reversal of 12222130957 is 75903122221.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 12181757641 + 40373316 = 110371^2 + 6354^2 .
It is a cyclic number.
It is not a de Polignac number, because 12222130957 - 231 = 10074647309 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12222130937) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111065478 + 6111065479.
It is an arithmetic number, because the mean of its divisors is an integer number (6111065479).
Almost surely, 212222130957 is an apocalyptic number.
It is an amenable number.
12222130957 is a deficient number, since it is larger than the sum of its proper divisors (1).
12222130957 is an equidigital number, since it uses as much as digits as its factorization.
12222130957 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 15120, while the sum is 34.
The spelling of 12222130957 in words is "twelve billion, two hundred twenty-two million, one hundred thirty thousand, nine hundred fifty-seven".
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