Search a number
-
+
22201303123 = 177712493699
BaseRepresentation
bin10100101011010011…
…010000000001010011
32010022020200001110001
4110223103100001103
5330432013144443
614111002550431
71414111651156
oct245323200123
963266601401
1022201303123
1194630696aa
124377208417
13212a77446c
1411087c1c9d
1589e143d4d
hex52b4d0053

22201303123 has 4 divisors (see below), whose sum is σ = 22213798600. Its totient is φ = 22188807648.

The previous prime is 22201303109. The next prime is 22201303151. The reversal of 22201303123 is 32130310222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32130310222 = 216065155111.

It is a cyclic number.

It is not a de Polignac number, because 22201303123 - 213 = 22201294931 is a prime.

It is a super-3 number, since 3×222013031233 (a number of 32 digits) contains 333 as substring.

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 22201303123.

It is not an unprimeable number, because it can be changed into a prime (22201303723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6245073 + ... + 6248626.

It is an arithmetic number, because the mean of its divisors is an integer number (5553449650).

Almost surely, 222201303123 is an apocalyptic number.

22201303123 is a deficient number, since it is larger than the sum of its proper divisors (12495477).

22201303123 is a wasteful number, since it uses less digits than its factorization.

22201303123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12495476.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 22201303123 its reverse (32130310222), we get a palindrome (54331613345).

The spelling of 22201303123 in words is "twenty-two billion, two hundred one million, three hundred three thousand, one hundred twenty-three".

Divisors: 1 1777 12493699 22201303123