Base | Representation |
---|---|
bin | 10111011000001110… |
… | …001010111110110011 |
3 | 2101210102122120112111 |
4 | 113120032022332303 |
5 | 402402210231011 |
6 | 15310520110151 |
7 | 1546030064332 |
oct | 273016127663 |
9 | 71712576474 |
10 | 25102430131 |
11 | a711738329 |
12 | 4a46905357 |
13 | 24a081b16c |
14 | 1301c0bd19 |
15 | 9bdba7121 |
hex | 5d838afb3 |
25102430131 has 8 divisors (see below), whose sum is σ = 25989163200. Its totient is φ = 24217105920.
The previous prime is 25102430123. The next prime is 25102430191. The reversal of 25102430131 is 13103420152.
It is a happy number.
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 25102430131 - 23 = 25102430123 is a prime.
It is a super-3 number, since 3×251024301313 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (25102430191) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315886 + ... + 387283.
It is an arithmetic number, because the mean of its divisors is an integer number (3248645400).
Almost surely, 225102430131 is an apocalyptic number.
25102430131 is a deficient number, since it is larger than the sum of its proper divisors (886733069).
25102430131 is a wasteful number, since it uses less digits than its factorization.
25102430131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 704429.
The product of its (nonzero) digits is 720, while the sum is 22.
Adding to 25102430131 its reverse (13103420152), we get a palindrome (38205850283).
The spelling of 25102430131 in words is "twenty-five billion, one hundred two million, four hundred thirty thousand, one hundred thirty-one".
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