Search a number
-
+
12545025250 = 253335914939
BaseRepresentation
bin10111010111011110…
…11110010011100010
31012101021200022102211
423223233132103202
5201143011302000
65432455232334
7622606645432
oct135357362342
935337608384
1012545025250
11535838116a
1225213786aa
13124c052884
148701742c2
154d652e7ba
hex2ebbde4e2

12545025250 has 32 divisors (see below), whose sum is σ = 23492851200. Its totient is φ = 5016180400.

The previous prime is 12545025247. The next prime is 12545025313. The reversal of 12545025250 is 5252054521.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 832281 + ... + 847219.

It is an arithmetic number, because the mean of its divisors is an integer number (734151600).

Almost surely, 212545025250 is an apocalyptic number.

12545025250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12545025250 is a deficient number, since it is larger than the sum of its proper divisors (10947825950).

12545025250 is a wasteful number, since it uses less digits than its factorization.

12545025250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18315 (or 18305 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

Adding to 12545025250 its reverse (5252054521), we get a palindrome (17797079771).

The spelling of 12545025250 in words is "twelve billion, five hundred forty-five million, twenty-five thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 3359 6718 14939 16795 29878 33590 74695 83975 149390 167950 373475 419875 746950 839750 1867375 3734750 50180101 100360202 250900505 501801010 1254502525 2509005050 6272512625 12545025250