Base | Representation |
---|---|
bin | 10111101111111011… |
… | …111011010010001111 |
3 | 2102211011022110222112 |
4 | 113233323323102033 |
5 | 404211034103211 |
6 | 15414211534235 |
7 | 1561630656134 |
oct | 275773732217 |
9 | 72734273875 |
10 | 25500300431 |
11 | a8a6289161 |
12 | 4b37bba37b |
13 | 2535095288 |
14 | 133c9ba58b |
15 | 9e3a9988b |
hex | 5efefb48f |
25500300431 has 8 divisors (see below), whose sum is σ = 25867633824. Its totient is φ = 25133194240.
The previous prime is 25500300421. The next prime is 25500300439. The reversal of 25500300431 is 13400300552.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-25500300431 is a prime.
It is a super-2 number, since 2×255003004312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 25500300397 and 25500300406.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25500300439) 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, 176111 + ... + 286383.
It is an arithmetic number, because the mean of its divisors is an integer number (3233454228).
Almost surely, 225500300431 is an apocalyptic number.
25500300431 is a deficient number, since it is larger than the sum of its proper divisors (367333393).
25500300431 is a wasteful number, since it uses less digits than its factorization.
25500300431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113601.
The product of its (nonzero) digits is 1800, while the sum is 23.
Adding to 25500300431 its reverse (13400300552), we get a palindrome (38900600983).
The spelling of 25500300431 in words is "twenty-five billion, five hundred million, three hundred thousand, four hundred thirty-one".
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