Search a number
-
+
12519532043 = 38932183887
BaseRepresentation
bin10111010100011100…
…01110011000001011
31012022111201010022222
423222032032120023
5201120000011133
65430145004255
7622150160264
oct135216163013
935274633288
1012519532043
115344a497a7
12251492368b
131246998035
1486aa1996b
154d4195e98
hex2ea38e60b

12519532043 has 4 divisors (see below), whose sum is σ = 12551716320. Its totient is φ = 12487347768.

The previous prime is 12519532033. The next prime is 12519532061. The reversal of 12519532043 is 34023591521.

12519532043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12519532043 - 218 = 12519269899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12519531994 and 12519532012.

It is not an unprimeable number, because it can be changed into a prime (12519532033) 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 3 ways as a sum of consecutive naturals, for example, 16091555 + ... + 16092332.

It is an arithmetic number, because the mean of its divisors is an integer number (3137929080).

Almost surely, 212519532043 is an apocalyptic number.

12519532043 is a deficient number, since it is larger than the sum of its proper divisors (32184277).

12519532043 is an equidigital number, since it uses as much as digits as its factorization.

12519532043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32184276.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 12519532043 in words is "twelve billion, five hundred nineteen million, five hundred thirty-two thousand, forty-three".

Divisors: 1 389 32183887 12519532043