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12524230325 = 523731343081
BaseRepresentation
bin10111010101000000…
…01001011010110101
31012022211112211011102
423222200021122311
5201122200332300
65430433415445
7622235126015
oct135240113265
935284484142
1012524230325
115347668682
12251640a585
131247951699
1486b4bdc45
154d47c30d5
hex2ea8096b5

12524230325 has 12 divisors (see below), whose sum is σ = 15571692708. Its totient is φ = 9992515200.

The previous prime is 12524230283. The next prime is 12524230331. The reversal of 12524230325 is 52303242521.

It can be written as a sum of positive squares in 6 ways, for example, as 158404 + 12524071921 = 398^2 + 111911^2 .

It is not a de Polignac number, because 12524230325 - 212 = 12524226229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 662216 + ... + 680865.

It is an arithmetic number, because the mean of its divisors is an integer number (1297641059).

Almost surely, 212524230325 is an apocalyptic number.

It is an amenable number.

12524230325 is a deficient number, since it is larger than the sum of its proper divisors (3047462383).

12524230325 is a wasteful number, since it uses less digits than its factorization.

12524230325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343464 (or 1343459 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 12524230325 its reverse (52303242521), we get a palindrome (64827472846).

The spelling of 12524230325 in words is "twelve billion, five hundred twenty-four million, two hundred thirty thousand, three hundred twenty-five".

Divisors: 1 5 25 373 1865 9325 1343081 6715405 33577025 500969213 2504846065 12524230325