Base | Representation |
---|---|
bin | 1110111111000… |
… | …01111101110101 |
3 | 22202112112100112 |
4 | 13133201331311 |
5 | 224140043401 |
6 | 20250152405 |
7 | 3054325043 |
oct | 737417565 |
9 | 282475315 |
10 | 125706101 |
11 | 64a59944 |
12 | 36122705 |
13 | 20074211 |
14 | 129a3393 |
15 | b0813bb |
hex | 77e1f75 |
125706101 has 2 divisors, whose sum is σ = 125706102. Its totient is φ = 125706100.
The previous prime is 125706019. The next prime is 125706127. The reversal of 125706101 is 101607521.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 123787876 + 1918225 = 11126^2 + 1385^2 .
It is a cyclic number.
It is not a de Polignac number, because 125706101 - 218 = 125443957 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (125706001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62853050 + 62853051.
It is an arithmetic number, because the mean of its divisors is an integer number (62853051).
Almost surely, 2125706101 is an apocalyptic number.
It is an amenable number.
125706101 is a deficient number, since it is larger than the sum of its proper divisors (1).
125706101 is an equidigital number, since it uses as much as digits as its factorization.
125706101 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 420, while the sum is 23.
The square root of 125706101 is about 11211.8732154801. The cubic root of 125706101 is about 500.9397008184.
The spelling of 125706101 in words is "one hundred twenty-five million, seven hundred six thousand, one hundred one".
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