Base | Representation |
---|---|
bin | 1110111010100… |
… | …10000111000101 |
3 | 22201102121002010 |
4 | 13131102013011 |
5 | 224012214434 |
6 | 20225404433 |
7 | 3046322133 |
oct | 735220705 |
9 | 281377063 |
10 | 125116869 |
11 | 64697179 |
12 | 35a99719 |
13 | 1cbc8c67 |
14 | 1288c753 |
15 | aeb69e9 |
hex | 77521c5 |
125116869 has 16 divisors (see below), whose sum is σ = 171695552. Its totient is φ = 80984448.
The previous prime is 125116861. The next prime is 125116879. The reversal of 125116869 is 968611521.
It is not a de Polignac number, because 125116869 - 23 = 125116861 is a prime.
It is a super-2 number, since 2×1251168692 = 31308461816726322, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125116861) 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, 70497 + ... + 72249.
It is an arithmetic number, because the mean of its divisors is an integer number (10730972).
Almost surely, 2125116869 is an apocalyptic number.
It is an amenable number.
125116869 is a deficient number, since it is larger than the sum of its proper divisors (46578683).
125116869 is a wasteful number, since it uses less digits than its factorization.
125116869 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2436.
The product of its digits is 25920, while the sum is 39.
The square root of 125116869 is about 11185.5652069978. The cubic root of 125116869 is about 500.1557767955.
The spelling of 125116869 in words is "one hundred twenty-five million, one hundred sixteen thousand, eight hundred sixty-nine".
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