Base | Representation |
---|---|
bin | 10111100010100001… |
… | …010110011100110101 |
3 | 2102020110210201101211 |
4 | 113202201112130311 |
5 | 403230424330010 |
6 | 15340011521421 |
7 | 1553225624134 |
oct | 274241263465 |
9 | 72213721354 |
10 | 25275230005 |
11 | a7a0232443 |
12 | 4a94759271 |
13 | 24ca5709cc |
14 | 131ab4d91b |
15 | 9cde3c08a |
hex | 5e2856735 |
25275230005 has 8 divisors (see below), whose sum is σ = 30757463424. Its totient is φ = 19935392400.
The previous prime is 25275229981. The next prime is 25275230009. The reversal of 25275230005 is 50003257252.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 25275230005 - 29 = 25275229493 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (25275230009) 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, 35598561 + ... + 35599270.
It is an arithmetic number, because the mean of its divisors is an integer number (3844682928).
Almost surely, 225275230005 is an apocalyptic number.
It is an amenable number.
25275230005 is a deficient number, since it is larger than the sum of its proper divisors (5482233419).
25275230005 is an equidigital number, since it uses as much as digits as its factorization.
25275230005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71197907.
The product of its (nonzero) digits is 21000, while the sum is 31.
Adding to 25275230005 its reverse (50003257252), we get a palindrome (75278487257).
The spelling of 25275230005 in words is "twenty-five billion, two hundred seventy-five million, two hundred thirty thousand, five".
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