Search a number
-
+
13512052345 = 511245673679
BaseRepresentation
bin11001001010110000…
…11000111001111001
31021212200022101020011
430211120120321321
5210133041133340
610112442101521
7655561356421
oct144530307171
937780271204
1013512052345
115804223a10
1227511aa8a1
1313744b685c
1492277b481
1554139b0ea
hex325618e79

13512052345 has 8 divisors (see below), whose sum is σ = 17688504960. Its totient is φ = 9826947120.

The previous prime is 13512052343. The next prime is 13512052361. The reversal of 13512052345 is 54325021531.

13512052345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13512052345 - 21 = 13512052343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13512052343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122836785 + ... + 122836894.

It is an arithmetic number, because the mean of its divisors is an integer number (2211063120).

Almost surely, 213512052345 is an apocalyptic number.

It is an amenable number.

13512052345 is a deficient number, since it is larger than the sum of its proper divisors (4176452615).

13512052345 is a wasteful number, since it uses less digits than its factorization.

13512052345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245673695.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 13512052345 its reverse (54325021531), we get a palindrome (67837073876).

The spelling of 13512052345 in words is "thirteen billion, five hundred twelve million, fifty-two thousand, three hundred forty-five".

Divisors: 1 5 11 55 245673679 1228368395 2702410469 13512052345