Base | Representation |
---|---|
bin | 101111001000001111… |
… | …0010111110011001001 |
3 | 100200020100221122021121 |
4 | 1132100132113303021 |
5 | 3124233240104323 |
6 | 114254441235241 |
7 | 10212013620436 |
oct | 1362036276311 |
9 | 320210848247 |
10 | 101208128713 |
11 | 39a1639408a |
12 | 17746492b21 |
13 | 970bbbbac3 |
14 | 4c816a8b8d |
15 | 297532da5d |
hex | 1790797cc9 |
101208128713 has 2 divisors, whose sum is σ = 101208128714. Its totient is φ = 101208128712.
The previous prime is 101208128689. The next prime is 101208128731. The reversal of 101208128713 is 317821802101.
Together with next prime (101208128731) 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., 58984865424 + 42223263289 = 242868^2 + 205483^2 .
It is an emirp because it is prime and its reverse (317821802101) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 101208128713 - 217 = 101207997641 is a prime.
It is not a weakly prime, because it can be changed into another prime (101208528713) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50604064356 + 50604064357.
It is an arithmetic number, because the mean of its divisors is an integer number (50604064357).
Almost surely, 2101208128713 is an apocalyptic number.
It is an amenable number.
101208128713 is a deficient number, since it is larger than the sum of its proper divisors (1).
101208128713 is an equidigital number, since it uses as much as digits as its factorization.
101208128713 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5376, while the sum is 34.
The spelling of 101208128713 in words is "one hundred one billion, two hundred eight million, one hundred twenty-eight thousand, seven hundred thirteen".
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