Base | Representation |
---|---|
bin | 1110111010001… |
… | …11111100001111 |
3 | 22201100110221101 |
4 | 13131013330033 |
5 | 224004401330 |
6 | 20224443531 |
7 | 3046056526 |
oct | 735077417 |
9 | 281313841 |
10 | 125075215 |
11 | 64668951 |
12 | 35a795a7 |
13 | 1cbb3005 |
14 | 1287b4bd |
15 | aea94ca |
hex | 7747f0f |
125075215 has 8 divisors (see below), whose sum is σ = 153751248. Its totient is φ = 97619520.
The previous prime is 125075201. The next prime is 125075227. The reversal of 125075215 is 512570521.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 125075215 - 25 = 125075183 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304857 + ... + 305266.
It is an arithmetic number, because the mean of its divisors is an integer number (19218906).
Almost surely, 2125075215 is an apocalyptic number.
125075215 is a deficient number, since it is larger than the sum of its proper divisors (28676033).
125075215 is an equidigital number, since it uses as much as digits as its factorization.
125075215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 610169.
The product of its (nonzero) digits is 3500, while the sum is 28.
The square root of 125075215 is about 11183.7030987057. The cubic root of 125075215 is about 500.1002665586.
The spelling of 125075215 in words is "one hundred twenty-five million, seventy-five thousand, two hundred fifteen".
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