Base | Representation |
---|---|
bin | 10111100101110110… |
… | …111010010000101000 |
3 | 2102101101010222010010 |
4 | 113211312322100220 |
5 | 403334242311402 |
6 | 15345331451520 |
7 | 1554505521654 |
oct | 274566722050 |
9 | 72341128103 |
10 | 25331213352 |
11 | a81989a575 |
12 | 4aab456ba0 |
13 | 2509042653 |
14 | 1324363a64 |
15 | 9d3ce9a6c |
hex | 5e5dba428 |
25331213352 has 64 divisors (see below), whose sum is σ = 65112687360. Its totient is φ = 8207308800.
The previous prime is 25331213333. The next prime is 25331213357.
It is a happy number.
25331213352 is nontrivially palindromic in base 10.
It is not an unprimeable number, because it can be changed into a prime (25331213357) 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, 219168 + ... + 314160.
It is an arithmetic number, because the mean of its divisors is an integer number (1017385740).
Almost surely, 225331213352 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 25331213352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32556343680).
25331213352 is an abundant number, since it is smaller than the sum of its proper divisors (39781474008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25331213352 is a wasteful number, since it uses less digits than its factorization.
25331213352 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95314 (or 95310 counting only the distinct ones).
The product of its digits is 16200, while the sum is 30.
The spelling of 25331213352 in words is "twenty-five billion, three hundred thirty-one million, two hundred thirteen thousand, three hundred fifty-two".
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