Base | Representation |
---|---|
bin | 1110111010101… |
… | …00001101111100 |
3 | 22201110000220210 |
4 | 13131110031330 |
5 | 224013004000 |
6 | 20225512420 |
7 | 3046356243 |
oct | 735241574 |
9 | 281400823 |
10 | 125125500 |
11 | 646a2705 |
12 | 35aa2710 |
13 | 1cbccb76 |
14 | 1289195a |
15 | aeb9350 |
hex | 775437c |
125125500 has 48 divisors (see below), whose sum is σ = 364369824. Its totient is φ = 33366400.
The previous prime is 125125487. The next prime is 125125531. The reversal of 125125500 is 5521521.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40209 + ... + 43208.
It is an arithmetic number, because the mean of its divisors is an integer number (7591038).
Almost surely, 2125125500 is an apocalyptic number.
125125500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
125125500 is an abundant number, since it is smaller than the sum of its proper divisors (239244324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125125500 is a wasteful number, since it uses less digits than its factorization.
125125500 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83439 (or 83427 counting only the distinct ones).
The product of its (nonzero) digits is 500, while the sum is 21.
The square root of 125125500 is about 11185.9510100840. The cubic root of 125125500 is about 500.1672773637.
The spelling of 125125500 in words is "one hundred twenty-five million, one hundred twenty-five thousand, five hundred".
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