Base | Representation |
---|---|
bin | 1110111101001… |
… | …11011000010011 |
3 | 22202002100011202 |
4 | 13132213120103 |
5 | 224104404011 |
6 | 20241101415 |
7 | 3052305320 |
oct | 736473023 |
9 | 282070152 |
10 | 125466131 |
11 | 6490561a |
12 | 3602786b |
13 | 1ccbbc1b |
14 | 1293db47 |
15 | b03523b |
hex | 77a7613 |
125466131 has 16 divisors (see below), whose sum is σ = 147189504. Its totient is φ = 104709024.
The previous prime is 125466119. The next prime is 125466161. The reversal of 125466131 is 131664521.
It is a happy number.
It is not a de Polignac number, because 125466131 - 214 = 125449747 is a prime.
It is a super-2 number, since 2×1254661312 = 31483500056218322, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 125466094 and 125466103.
It is not an unprimeable number, because it can be changed into a prime (125466161) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157025 + ... + 157821.
It is an arithmetic number, because the mean of its divisors is an integer number (9199344).
Almost surely, 2125466131 is an apocalyptic number.
125466131 is a deficient number, since it is larger than the sum of its proper divisors (21723373).
125466131 is an equidigital number, since it uses as much as digits as its factorization.
125466131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1370.
The product of its digits is 4320, while the sum is 29.
The square root of 125466131 is about 11201.1665017533. The cubic root of 125466131 is about 500.6207370521.
The spelling of 125466131 in words is "one hundred twenty-five million, four hundred sixty-six thousand, one hundred thirty-one".
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