Base | Representation |
---|---|
bin | 10111100101111000… |
… | …000111110111101001 |
3 | 2102101101202010011210 |
4 | 113211320013313221 |
5 | 403334332444431 |
6 | 15345342343333 |
7 | 1554511314522 |
oct | 274570076751 |
9 | 72341663153 |
10 | 25331531241 |
11 | a819a97395 |
12 | 4aab58ab49 |
13 | 2509124253 |
14 | 1324407849 |
15 | 9d3d5dd46 |
hex | 5e5e07de9 |
25331531241 has 32 divisors (see below), whose sum is σ = 35988986880. Its totient is φ = 15793698816.
The previous prime is 25331531179. The next prime is 25331531261. The reversal of 25331531241 is 14213513352.
It is not a de Polignac number, because 25331531241 - 29 = 25331530729 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 25331531199 and 25331531208.
It is not an unprimeable number, because it can be changed into a prime (25331531261) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15742845 + ... + 15744453.
It is an arithmetic number, because the mean of its divisors is an integer number (1124655840).
Almost surely, 225331531241 is an apocalyptic number.
It is an amenable number.
25331531241 is a deficient number, since it is larger than the sum of its proper divisors (10657455639).
25331531241 is a wasteful number, since it uses less digits than its factorization.
25331531241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3393.
The product of its digits is 10800, while the sum is 30.
The spelling of 25331531241 in words is "twenty-five billion, three hundred thirty-one million, five hundred thirty-one thousand, two hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •