Search a number
-
+
12524000000 = 285631101
BaseRepresentation
bin10111010100111110…
…10001001100000000
31012022211010010012212
423222133101030000
5201122121000000
65430424441252
7622233146351
oct135237211400
935284103185
1012524000000
115347520626
122516319228
1312478a08b5
1486b45dd28
154d4779c35
hex2ea7d1300

12524000000 has 252 divisors, whose sum is σ = 32575833024. Its totient is φ = 4800000000.

The previous prime is 12523999987. The next prime is 12524000029. The reversal of 12524000000 is 42521.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 123999950 + ... + 124000050.

Almost surely, 212524000000 is an apocalyptic number.

12524000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12524000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16287916512).

12524000000 is an abundant number, since it is smaller than the sum of its proper divisors (20051833024).

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

12524000000 is an frugal number, since it uses more digits than its factorization.

12524000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

Adding to 12524000000 its reverse (42521), we get a palindrome (12524042521).

The spelling of 12524000000 in words is "twelve billion, five hundred twenty-four million", and thus it is an aban number.