Search a number
-
+
25355130324 = 2232112927527
BaseRepresentation
bin10111100111010010…
…001001010111010100
32102110001011002000220
4113213102021113110
5403411403132244
615351544234340
71555216023516
oct274722112724
972401132026
1025355130324
11a831345767
124ab746b9b0
132510c978c4
1413275cbbb6
159d5e71319
hex5e74895d4

25355130324 has 12 divisors (see below), whose sum is σ = 59161970784. Its totient is φ = 8451710104.

The previous prime is 25355130323. The next prime is 25355130337. The reversal of 25355130324 is 42303155352.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25355130323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1056463752 + ... + 1056463775.

It is an arithmetic number, because the mean of its divisors is an integer number (4930164232).

Almost surely, 225355130324 is an apocalyptic number.

It is an amenable number.

25355130324 is an abundant number, since it is smaller than the sum of its proper divisors (33806840460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25355130324 is a wasteful number, since it uses less digits than its factorization.

25355130324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112927534 (or 2112927532 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 33.

Adding to 25355130324 its reverse (42303155352), we get a palindrome (67658285676).

The spelling of 25355130324 in words is "twenty-five billion, three hundred fifty-five million, one hundred thirty thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 12 2112927527 4225855054 6338782581 8451710108 12677565162 25355130324