Search a number
-
+
23002221000131 = 41561029780491
BaseRepresentation
bin1010011101011100111110…
…01101100011010111000011
310000102222202022221021111222
411032232133031203113003
511003332022034001011
6120531024025225255
74562566323331022
oct516563715432703
9100388668837458
1023002221000131
1173692070a700a
1226b5b9933222b
13cab13bcb89a9
145974560da8b9
1529d519593ddb
hex14eb9f3635c3

23002221000131 has 4 divisors (see below), whose sum is σ = 23563250780664. Its totient is φ = 22441191219600.

The previous prime is 23002221000119. The next prime is 23002221000149. The reversal of 23002221000131 is 13100012220032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23002221000131 is a prime.

It is a super-2 number, since 2×230022210001312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23002221008131) 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, 280514890205 + ... + 280514890286.

It is an arithmetic number, because the mean of its divisors is an integer number (5890812695166).

Almost surely, 223002221000131 is an apocalyptic number.

23002221000131 is a deficient number, since it is larger than the sum of its proper divisors (561029780533).

23002221000131 is an equidigital number, since it uses as much as digits as its factorization.

23002221000131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561029780532.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23002221000131 its reverse (13100012220032), we get a palindrome (36102233220163).

The spelling of 23002221000131 in words is "twenty-three trillion, two billion, two hundred twenty-one million, one hundred thirty-one", and thus it is an aban number.

Divisors: 1 41 561029780491 23002221000131