Base | Representation |
---|---|
bin | 1110111010010… |
… | …10011011100111 |
3 | 22201100222221011 |
4 | 13131022123213 |
5 | 224010213130 |
6 | 20225003051 |
7 | 3046131340 |
oct | 735123347 |
9 | 281328834 |
10 | 125085415 |
11 | 64675584 |
12 | 35a83487 |
13 | 1cbb7850 |
14 | 128810c7 |
15 | aeac52a |
hex | 774a6e7 |
125085415 has 32 divisors (see below), whose sum is σ = 185463936. Its totient is φ = 78865920.
The previous prime is 125085413. The next prime is 125085421. The reversal of 125085415 is 514580521.
It is not a de Polignac number, because 125085415 - 21 = 125085413 is a prime.
It is a super-2 number, since 2×1250854152 = 31292722091444450, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125085413) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191229 + ... + 191881.
It is an arithmetic number, because the mean of its divisors is an integer number (5795748).
Almost surely, 2125085415 is an apocalyptic number.
125085415 is a deficient number, since it is larger than the sum of its proper divisors (60378521).
125085415 is a wasteful number, since it uses less digits than its factorization.
125085415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1099.
The product of its (nonzero) digits is 8000, while the sum is 31.
The square root of 125085415 is about 11184.1591100985. The cubic root of 125085415 is about 500.1138607362.
The spelling of 125085415 in words is "one hundred twenty-five million, eighty-five thousand, four hundred fifteen".
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