Search a number
-
+
103221123013 = 249967412939
BaseRepresentation
bin110000000100001110…
…1010101011111000101
3100212102122202100100001
41200020131111133011
53142344101414023
6115230310521301
710312626032461
oct1401035253705
9325378670301
10103221123013
113a8596a6538
1218008666231
13996cc658a8
144dd2b874a1
152a41e0b6ad
hex18087557c5

103221123013 has 4 divisors (see below), whose sum is σ = 103221785920. Its totient is φ = 103220460108.

The previous prime is 103221122989. The next prime is 103221123067. The reversal of 103221123013 is 310321122301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 103221123013 - 217 = 103220991941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103221123613) 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, 43498 + ... + 456436.

It is an arithmetic number, because the mean of its divisors is an integer number (25805446480).

Almost surely, 2103221123013 is an apocalyptic number.

It is an amenable number.

103221123013 is a deficient number, since it is larger than the sum of its proper divisors (662907).

103221123013 is an equidigital number, since it uses as much as digits as its factorization.

103221123013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662906.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 103221123013 its reverse (310321122301), we get a palindrome (413542245314).

The spelling of 103221123013 in words is "one hundred three billion, two hundred twenty-one million, one hundred twenty-three thousand, thirteen".

Divisors: 1 249967 412939 103221123013