Base | Representation |
---|---|
bin | 10111101010001110… |
… | …00010100101010001 |
3 | 1012210020102112001101 |
4 | 23311013002211101 |
5 | 202003230314342 |
6 | 5500232104401 |
7 | 626525621341 |
oct | 136507024521 |
9 | 35706375041 |
10 | 12702198097 |
11 | 5429072486 |
12 | 2565b35101 |
13 | 1275793564 |
14 | 886da8d21 |
15 | 4e52293b7 |
hex | 2f51c2951 |
12702198097 has 2 divisors, whose sum is σ = 12702198098. Its totient is φ = 12702198096.
The previous prime is 12702198083. The next prime is 12702198139. The reversal of 12702198097 is 79089120721.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 7964491536 + 4737706561 = 89244^2 + 68831^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12702198097 is a prime.
It is a super-2 number, since 2×127021980972 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (12702198077) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6351099048 + 6351099049.
It is an arithmetic number, because the mean of its divisors is an integer number (6351099049).
Almost surely, 212702198097 is an apocalyptic number.
It is an amenable number.
12702198097 is a deficient number, since it is larger than the sum of its proper divisors (1).
12702198097 is an equidigital number, since it uses as much as digits as its factorization.
12702198097 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 127008, while the sum is 46.
The spelling of 12702198097 in words is "twelve billion, seven hundred two million, one hundred ninety-eight thousand, ninety-seven".
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