Base | Representation |
---|---|
bin | 1101101010011011000111… |
… | …1010010111111111101101 |
3 | 1222012010122211210022222022 |
4 | 3122212301322113333231 |
5 | 3432112022242111411 |
6 | 51541122355555525 |
7 | 3110224123625564 |
oct | 332466172277755 |
9 | 58163584708868 |
10 | 15022485503981 |
11 | 487200048251a |
12 | 182755bbbbba5 |
13 | 84c7ca81c717 |
14 | 39d140d16bdb |
15 | 1b0b816e5edb |
hex | da9b1e97fed |
15022485503981 has 2 divisors, whose sum is σ = 15022485503982. Its totient is φ = 15022485503980.
The previous prime is 15022485503891. The next prime is 15022485504031. The reversal of 15022485503981 is 18930558422051.
It is a happy number.
Together with previous prime (15022485503891) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 13170003902500 + 1852481601481 = 3629050^2 + 1361059^2 .
It is an emirp because it is prime and its reverse (18930558422051) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-15022485503981 is a prime.
It is a super-2 number, since 2×150224855039812 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (15022485503281) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7511242751990 + 7511242751991.
It is an arithmetic number, because the mean of its divisors is an integer number (7511242751991).
Almost surely, 215022485503981 is an apocalyptic number.
It is an amenable number.
15022485503981 is a deficient number, since it is larger than the sum of its proper divisors (1).
15022485503981 is an equidigital number, since it uses as much as digits as its factorization.
15022485503981 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3456000, while the sum is 53.
The spelling of 15022485503981 in words is "fifteen trillion, twenty-two billion, four hundred eighty-five million, five hundred three thousand, nine hundred eighty-one".
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