Base | Representation |
---|---|
bin | 10101110101001000… |
… | …111001000001000100 |
3 | 2020111120200112021100 |
4 | 111311020321001010 |
5 | 341001131221234 |
6 | 14433534420100 |
7 | 1456603401114 |
oct | 256510710104 |
9 | 66446615240 |
10 | 23440101444 |
11 | 9a39365171 |
12 | 4662061630 |
13 | 2297301516 |
14 | 11c5131044 |
15 | 922c95399 |
hex | 575239044 |
23440101444 has 18 divisors (see below), whose sum is σ = 59251367630. Its totient is φ = 7813367136.
The previous prime is 23440101409. The next prime is 23440101457. The reversal of 23440101444 is 44410104432.
It can be written as a sum of positive squares in only one way, i.e., 23085155844 + 354945600 = 151938^2 + 18840^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 325556929 + ... + 325557000.
Almost surely, 223440101444 is an apocalyptic number.
It is an amenable number.
23440101444 is an abundant number, since it is smaller than the sum of its proper divisors (35811266186).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23440101444 is a wasteful number, since it uses less digits than its factorization.
23440101444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 651113939 (or 651113934 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 27.
Adding to 23440101444 its reverse (44410104432), we get a palindrome (67850205876).
The spelling of 23440101444 in words is "twenty-three billion, four hundred forty million, one hundred one thousand, four hundred forty-four".
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