Base | Representation |
---|---|
bin | 1110111101100… |
… | …10110101111101 |
3 | 22202011201120210 |
4 | 13132302311331 |
5 | 224112404320 |
6 | 20242103033 |
7 | 3052562235 |
oct | 736626575 |
9 | 282151523 |
10 | 125513085 |
11 | 64937925 |
12 | 3604aa79 |
13 | 200073c9 |
14 | 12952cc5 |
15 | b0440e0 |
hex | 77b2d7d |
125513085 has 8 divisors (see below), whose sum is σ = 200820960. Its totient is φ = 66940304.
The previous prime is 125513083. The next prime is 125513099. The reversal of 125513085 is 580315521.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 125513085 - 21 = 125513083 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125513083) 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 in 7 ways as a sum of consecutive naturals, for example, 4183755 + ... + 4183784.
It is an arithmetic number, because the mean of its divisors is an integer number (25102620).
Almost surely, 2125513085 is an apocalyptic number.
125513085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
125513085 is a deficient number, since it is larger than the sum of its proper divisors (75307875).
125513085 is an equidigital number, since it uses as much as digits as its factorization.
125513085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8367547.
The product of its (nonzero) digits is 6000, while the sum is 30.
The square root of 125513085 is about 11203.2622481133. The cubic root of 125513085 is about 500.6831794399.
The spelling of 125513085 in words is "one hundred twenty-five million, five hundred thirteen thousand, eighty-five".
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