Base | Representation |
---|---|
bin | 10010101100101… |
… | …01101011100001 |
3 | 101221010212000002 |
4 | 21112111223201 |
5 | 310123212123 |
6 | 23321505345 |
7 | 3613132202 |
oct | 1126255341 |
9 | 357125002 |
10 | 156850913 |
11 | 805a145a |
12 | 44642255 |
13 | 2665a2bb |
14 | 16b8d5a9 |
15 | db84528 |
hex | 9595ae1 |
156850913 has 2 divisors, whose sum is σ = 156850914. Its totient is φ = 156850912.
The previous prime is 156850877. The next prime is 156850927. The reversal of 156850913 is 319058651.
156850913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 153933649 + 2917264 = 12407^2 + 1708^2 .
It is a cyclic number.
It is not a de Polignac number, because 156850913 - 26 = 156850849 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (156850933) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78425456 + 78425457.
It is an arithmetic number, because the mean of its divisors is an integer number (78425457).
Almost surely, 2156850913 is an apocalyptic number.
It is an amenable number.
156850913 is a deficient number, since it is larger than the sum of its proper divisors (1).
156850913 is an equidigital number, since it uses as much as digits as its factorization.
156850913 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 32400, while the sum is 38.
The square root of 156850913 is about 12524.0134541608. The cubic root of 156850913 is about 539.2982574171.
The spelling of 156850913 in words is "one hundred fifty-six million, eight hundred fifty thousand, nine hundred thirteen".
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