Search a number
-
+
23013220111 = 75326961717
BaseRepresentation
bin10101011011101100…
…011101111100001111
32012101211102201011121
4111123230131330033
5334112341020421
614323325101411
71443201100120
oct253354357417
965354381147
1023013220111
11983a3a9982
1245630b7867
132229a3a60b
141184570047
158ea571d41
hex55bb1df0f

23013220111 has 8 divisors (see below), whose sum is σ = 26301742880. Its totient is φ = 19724927328.

The previous prime is 23013220051. The next prime is 23013220129. The reversal of 23013220111 is 11102231032.

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

It is a cyclic number.

It is not a de Polignac number, because 23013220111 - 227 = 22879002383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23013220141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342025 + ... + 403741.

It is an arithmetic number, because the mean of its divisors is an integer number (3287717860).

Almost surely, 223013220111 is an apocalyptic number.

23013220111 is a deficient number, since it is larger than the sum of its proper divisors (3288522769).

23013220111 is an equidigital number, since it uses as much as digits as its factorization.

23013220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114993.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 23013220111 its reverse (11102231032), we get a palindrome (34115451143).

The spelling of 23013220111 in words is "twenty-three billion, thirteen million, two hundred twenty thousand, one hundred eleven".

Divisors: 1 7 53269 61717 372883 432019 3287602873 23013220111