Base | Representation |
---|---|
bin | 1110111010101… |
… | …01100011110001 |
3 | 22201110022110020 |
4 | 13131111203301 |
5 | 224013142433 |
6 | 20225554053 |
7 | 3046411251 |
oct | 735254361 |
9 | 281408406 |
10 | 125130993 |
11 | 646a6849 |
12 | 35aa5929 |
13 | 1cc02510 |
14 | 12893961 |
15 | aebacb3 |
hex | 77558f1 |
125130993 has 16 divisors (see below), whose sum is σ = 179880960. Its totient is φ = 76915584.
The previous prime is 125130991. The next prime is 125131037. The reversal of 125130993 is 399031521.
It is not a de Polignac number, because 125130993 - 21 = 125130991 is a prime.
It is not an unprimeable number, because it can be changed into a prime (125130991) 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, 54768 + ... + 57006.
It is an arithmetic number, because the mean of its divisors is an integer number (11242560).
Almost surely, 2125130993 is an apocalyptic number.
125130993 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
125130993 is a deficient number, since it is larger than the sum of its proper divisors (54749967).
125130993 is a wasteful number, since it uses less digits than its factorization.
125130993 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3688.
The product of its (nonzero) digits is 7290, while the sum is 33.
The square root of 125130993 is about 11186.1965385917. The cubic root of 125130993 is about 500.1745963585.
The spelling of 125130993 in words is "one hundred twenty-five million, one hundred thirty thousand, nine hundred ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •