Base | Representation |
---|---|
bin | 101001000111000101… |
… | …111001001000100000 |
3 | 11012221100201021001220 |
4 | 221013011321020200 |
5 | 1210400423300112 |
6 | 32140112455040 |
7 | 3121614131553 |
oct | 510705711040 |
9 | 135840637056 |
10 | 44142400032 |
11 | 177a2263545 |
12 | 867b24a480 |
13 | 4216341843 |
14 | 21ca7cc69a |
15 | 12354d998c |
hex | a47179220 |
44142400032 has 48 divisors (see below), whose sum is σ = 120911797440. Its totient is φ = 14074387712.
The previous prime is 44142400007. The next prime is 44142400037. The reversal of 44142400032 is 23000424144.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-2 number, since 2×441424000322 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a junction number, because it is equal to n+sod(n) for n = 44142399975 and 44142400011.
It is not an unprimeable number, because it can be changed into a prime (44142400037) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9993807 + ... + 9998222.
It is an arithmetic number, because the mean of its divisors is an integer number (2518995780).
Almost surely, 244142400032 is an apocalyptic number.
It is an amenable number.
44142400032 is an abundant number, since it is smaller than the sum of its proper divisors (76769397408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
44142400032 is a wasteful number, since it uses less digits than its factorization.
44142400032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19992065 (or 19992057 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 24.
Adding to 44142400032 its reverse (23000424144), we get a palindrome (67142824176).
The spelling of 44142400032 in words is "forty-four billion, one hundred forty-two million, four hundred thousand, thirty-two".
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