Search a number
-
+
133131222023 = 2330718854443
BaseRepresentation
bin111101111111100111…
…1010011110000000111
3110201122010212210201212
41323333033103300013
54140123043101043
6141054252042035
712422054500352
oct1737717236007
9421563783655
10133131222023
1151508116628
122197546331b
13c728811b27
14662d2ad299
1536e2bc8018
hex1eff3d3c07

133131222023 has 8 divisors (see below), whose sum is σ = 139372050048. Its totient is φ = 126928103544.

The previous prime is 133131221987. The next prime is 133131222031. The reversal of 133131222023 is 320222131331.

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 133131222023 - 26 = 133131221959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

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 133131222023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133131222043) 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, 9420161 + ... + 9434282.

It is an arithmetic number, because the mean of its divisors is an integer number (17421506256).

Almost surely, 2133131222023 is an apocalyptic number.

133131222023 is a deficient number, since it is larger than the sum of its proper divisors (6240828025).

133131222023 is a wasteful number, since it uses less digits than its factorization.

133131222023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18854773.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 133131222023 its reverse (320222131331), we get a palindrome (453353353354).

The spelling of 133131222023 in words is "one hundred thirty-three billion, one hundred thirty-one million, two hundred twenty-two thousand, twenty-three".

Divisors: 1 23 307 7061 18854443 433652189 5788314001 133131222023