Base | Representation |
---|---|
bin | 10101011101011110… |
… | …000111101000000000 |
3 | 2012110220111100111101 |
4 | 111131132013220000 |
5 | 334143002404440 |
6 | 14330311424144 |
7 | 1444012244161 |
oct | 253536075000 |
9 | 65426440441 |
10 | 23043013120 |
11 | 98551a88a6 |
12 | 4571085054 |
13 | 2232c6c30a |
14 | 11884c7768 |
15 | 8ecea969a |
hex | 55d787a00 |
23043013120 has 160 divisors (see below), whose sum is σ = 58663026576. Its totient is φ = 8650752000.
The previous prime is 23043013109. The next prime is 23043013129. The reversal of 23043013120 is 2131034032.
It can be written as a sum of positive squares in 8 ways, for example, as 13526620416 + 9516392704 = 116304^2 + 97552^2 .
It is a tau number, because it is divible by the number of its divisors (160).
It is not an unprimeable number, because it can be changed into a prime (23043013129) 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, 26155080 + ... + 26155960.
Almost surely, 223043013120 is an apocalyptic number.
23043013120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23043013120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29331513288).
23043013120 is an abundant number, since it is smaller than the sum of its proper divisors (35620013456).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23043013120 is an equidigital number, since it uses as much as digits as its factorization.
23043013120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1522 (or 1506 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 23043013120 its reverse (2131034032), we get a palindrome (25174047152).
The spelling of 23043013120 in words is "twenty-three billion, forty-three million, thirteen thousand, one hundred twenty".
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