Base | Representation |
---|---|
bin | 10111010011111111… |
… | …001110101000001101 |
3 | 2101121111000002001201 |
4 | 113103333032220031 |
5 | 402231014412140 |
6 | 15255501505501 |
7 | 1544205265234 |
oct | 272377165015 |
9 | 71544002051 |
10 | 25031404045 |
11 | a68563638a |
12 | 4a26b72291 |
13 | 248bbb05ab |
14 | 12d65ddb1b |
15 | 9b782749a |
hex | 5d3fcea0d |
25031404045 has 8 divisors (see below), whose sum is σ = 31343671296. Its totient is φ = 19154465616.
The previous prime is 25031404001. The next prime is 25031404051. The reversal of 25031404045 is 54040413052.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 25031404045 - 29 = 25031403533 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108832077 + ... + 108832306.
It is an arithmetic number, because the mean of its divisors is an integer number (3917958912).
Almost surely, 225031404045 is an apocalyptic number.
It is an amenable number.
25031404045 is a deficient number, since it is larger than the sum of its proper divisors (6312267251).
25031404045 is a wasteful number, since it uses less digits than its factorization.
25031404045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 217664411.
The product of its (nonzero) digits is 9600, while the sum is 28.
Adding to 25031404045 its reverse (54040413052), we get a palindrome (79071817097).
The spelling of 25031404045 in words is "twenty-five billion, thirty-one million, four hundred four thousand, forty-five".
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