Base | Representation |
---|---|
bin | 10111011110110110… |
… | …110100011100111000 |
3 | 2102002012010011101100 |
4 | 113132312310130320 |
5 | 403114204432143 |
6 | 15325534051400 |
7 | 1551551221305 |
oct | 273666643470 |
9 | 72065104340 |
10 | 25213749048 |
11 | a76955a934 |
12 | 4a78049b60 |
13 | 24ba8c5947 |
14 | 13129080ac |
15 | 9c88456d3 |
hex | 5dedb4738 |
25213749048 has 48 divisors (see below), whose sum is σ = 68302419120. Its totient is φ = 8402714496.
The previous prime is 25213749023. The next prime is 25213749083. The reversal of 25213749048 is 84094731252.
25213749048 is a `hidden beast` number, since 2 + 521 + 37 + 4 + 90 + 4 + 8 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 25213748994 and 25213749012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 308565 + ... + 381627.
It is an arithmetic number, because the mean of its divisors is an integer number (1422967065).
Almost surely, 225213749048 is an apocalyptic number.
It is an amenable number.
25213749048 is an abundant number, since it is smaller than the sum of its proper divisors (43088670072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25213749048 is a wasteful number, since it uses less digits than its factorization.
25213749048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77868 (or 77861 counting only the distinct ones).
The product of its (nonzero) digits is 483840, while the sum is 45.
The spelling of 25213749048 in words is "twenty-five billion, two hundred thirteen million, seven hundred forty-nine thousand, forty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.096 sec. • engine limits •