Base | Representation |
---|---|
bin | 10101011100000111… |
… | …111110011100010000 |
3 | 2012102100000001211000 |
4 | 111130013332130100 |
5 | 334121212243440 |
6 | 14324143422000 |
7 | 1443316302351 |
oct | 253407763420 |
9 | 65370001730 |
10 | 23020431120 |
11 | 9843484695 |
12 | 45655b4900 |
13 | 222b39389b |
14 | 11854c9d28 |
15 | 8eaee8730 |
hex | 55c1fe710 |
23020431120 has 80 divisors (see below), whose sum is σ = 79292603520. Its totient is φ = 6138781056.
The previous prime is 23020431113. The next prime is 23020431127. The reversal of 23020431120 is 2113402032.
23020431120 is a `hidden beast` number, since 230 + 2 + 0 + 431 + 1 + 2 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (23020431113) and next prime (23020431127).
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 23020431093 and 23020431102.
It is not an unprimeable number, because it can be changed into a prime (23020431127) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5326644 + ... + 5330963.
It is an arithmetic number, because the mean of its divisors is an integer number (991157544).
Almost surely, 223020431120 is an apocalyptic number.
23020431120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23020431120 is an abundant number, since it is smaller than the sum of its proper divisors (56272172400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23020431120 is a wasteful number, since it uses less digits than its factorization.
23020431120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10657629 (or 10657617 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 23020431120 its reverse (2113402032), we get a palindrome (25133833152).
The spelling of 23020431120 in words is "twenty-three billion, twenty million, four hundred thirty-one thousand, one hundred twenty".
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