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25524131132 = 228817242943
BaseRepresentation
bin10111110001010110…
…110101010100111100
32102212211011012120002
4113301112311110330
5404233134144012
615420422413432
71562340351323
oct276126652474
972784135502
1025524131132
11a908785555
124b43b91278
132539cba196
141341c210ba
159e5c057c2
hex5f15b553c

25524131132 has 12 divisors (see below), whose sum is σ = 44717936256. Its totient is φ = 12747577920.

The previous prime is 25524131123. The next prime is 25524131147. The reversal of 25524131132 is 23113142552.

It is a junction number, because it is equal to n+sod(n) for n = 25524131095 and 25524131104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3617948 + ... + 3624995.

It is an arithmetic number, because the mean of its divisors is an integer number (3726494688).

Almost surely, 225524131132 is an apocalyptic number.

It is an amenable number.

25524131132 is a deficient number, since it is larger than the sum of its proper divisors (19193805124).

25524131132 is a wasteful number, since it uses less digits than its factorization.

25524131132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7243828 (or 7243826 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

Adding to 25524131132 its reverse (23113142552), we get a palindrome (48637273684).

The spelling of 25524131132 in words is "twenty-five billion, five hundred twenty-four million, one hundred thirty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 881 1762 3524 7242943 14485886 28971772 6381032783 12762065566 25524131132