Base | Representation |
---|---|
bin | 1110111110111… |
… | …01100111001110 |
3 | 22202111121220010 |
4 | 13133131213032 |
5 | 224134011040 |
6 | 20245534050 |
7 | 3054222051 |
oct | 737354716 |
9 | 282447803 |
10 | 125688270 |
11 | 64a47504 |
12 | 36114326 |
13 | 20069076 |
14 | 1299aa98 |
15 | b07ae80 |
hex | 77dd9ce |
125688270 has 16 divisors (see below), whose sum is σ = 301651920. Its totient is φ = 33516864.
The previous prime is 125688263. The next prime is 125688301. The reversal of 125688270 is 72886521.
It is a congruent number.
It is an unprimeable number.
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, 2094775 + ... + 2094834.
It is an arithmetic number, because the mean of its divisors is an integer number (18853245).
Almost surely, 2125688270 is an apocalyptic number.
125688270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
125688270 is an abundant number, since it is smaller than the sum of its proper divisors (175963650).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125688270 is a wasteful number, since it uses less digits than its factorization.
125688270 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4189619.
The product of its (nonzero) digits is 53760, while the sum is 39.
The square root of 125688270 is about 11211.0780034750. The cubic root of 125688270 is about 500.9160141447.
The spelling of 125688270 in words is "one hundred twenty-five million, six hundred eighty-eight thousand, two hundred seventy".
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