Search a number
-
+
103120210243 = 791305319117
BaseRepresentation
bin110000000001001110…
…0011000100101000011
3100212011121212110001001
41200002130120211003
53142142233211433
6115212303552431
710310262216241
oct1400234304503
9325147773031
10103120210243
113a807741256
1217b9a8bb717
1399550927ab
144dc35d9791
152a3812657d
hex1802718943

103120210243 has 4 divisors (see below), whose sum is σ = 104425529440. Its totient is φ = 101814891048.

The previous prime is 103120210231. The next prime is 103120210267. The reversal of 103120210243 is 342012021301.

It is a happy number.

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 103120210243 - 213 = 103120202051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103120210243.

It is not an unprimeable number, because it can be changed into a prime (103120210043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652659480 + ... + 652659637.

It is an arithmetic number, because the mean of its divisors is an integer number (26106382360).

Almost surely, 2103120210243 is an apocalyptic number.

103120210243 is a deficient number, since it is larger than the sum of its proper divisors (1305319197).

103120210243 is an equidigital number, since it uses as much as digits as its factorization.

103120210243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305319196.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 103120210243 its reverse (342012021301), we get a palindrome (445132231544).

The spelling of 103120210243 in words is "one hundred three billion, one hundred twenty million, two hundred ten thousand, two hundred forty-three".

Divisors: 1 79 1305319117 103120210243