Base | Representation |
---|---|
bin | 10101011100010010… |
… | …100111100110010111 |
3 | 2012102112020211000012 |
4 | 111130102213212113 |
5 | 334122421034033 |
6 | 14324323310435 |
7 | 1443352102466 |
oct | 253422474627 |
9 | 65375224005 |
10 | 23023221143 |
11 | 984500a89a |
12 | 456651b41b |
13 | 222bb2c7a0 |
14 | 1185a149dd |
15 | 8eb39a248 |
hex | 55c4a7997 |
23023221143 has 32 divisors (see below), whose sum is σ = 26498260992. Its totient is φ = 19852128000.
The previous prime is 23023221131. The next prime is 23023221163. The reversal of 23023221143 is 34112232032.
It is a cyclic number.
It is not a de Polignac number, because 23023221143 - 24 = 23023221127 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23023221163) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1374368 + ... + 1391018.
It is an arithmetic number, because the mean of its divisors is an integer number (828070656).
Almost surely, 223023221143 is an apocalyptic number.
23023221143 is a deficient number, since it is larger than the sum of its proper divisors (3475039849).
23023221143 is a wasteful number, since it uses less digits than its factorization.
23023221143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16815.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 23023221143 its reverse (34112232032), we get a palindrome (57135453175).
The spelling of 23023221143 in words is "twenty-three billion, twenty-three million, two hundred twenty-one thousand, one hundred forty-three".
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