Base | Representation |
---|---|
bin | 10101100010110010… |
… | …110011100101010011 |
3 | 2012201010112201102112 |
4 | 111202302303211103 |
5 | 334333333302011 |
6 | 14343221535535 |
7 | 1446145331252 |
oct | 254262634523 |
9 | 65633481375 |
10 | 23132322131 |
11 | 98a0657aa6 |
12 | 4596b745ab |
13 | 224860b899 |
14 | 11962d4799 |
15 | 905c4b58b |
hex | 562cb3953 |
23132322131 has 4 divisors (see below), whose sum is σ = 23137896312. Its totient is φ = 23126747952.
The previous prime is 23132322121. The next prime is 23132322137. The reversal of 23132322131 is 13122323132.
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-23132322131 is a prime.
It is a super-2 number, since 2×231323221312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23132322097 and 23132322106.
It is not an unprimeable number, because it can be changed into a prime (23132322137) 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, 2780861 + ... + 2789166.
It is an arithmetic number, because the mean of its divisors is an integer number (5784474078).
Almost surely, 223132322131 is an apocalyptic number.
23132322131 is a deficient number, since it is larger than the sum of its proper divisors (5574181).
23132322131 is an equidigital number, since it uses as much as digits as its factorization.
23132322131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5574180.
The product of its digits is 1296, while the sum is 23.
Adding to 23132322131 its reverse (13122323132), we get a palindrome (36254645263).
The spelling of 23132322131 in words is "twenty-three billion, one hundred thirty-two million, three hundred twenty-two thousand, one hundred thirty-one".
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