Base | Representation |
---|---|
bin | 10011000010011100… |
… | …100101001010111100 |
3 | 1221202122111101012010 |
4 | 103002130211022330 |
5 | 313331142010442 |
6 | 13220242011220 |
7 | 1322401222542 |
oct | 230234451274 |
9 | 57678441163 |
10 | 20442141372 |
11 | 8740068414 |
12 | 3b66046b10 |
13 | 1c0a182653 |
14 | dbccd9d92 |
15 | 7e99a5b9c |
hex | 4c27252bc |
20442141372 has 24 divisors (see below), whose sum is σ = 47705572096. Its totient is φ = 6813012528.
The previous prime is 20442141367. The next prime is 20442141373. The reversal of 20442141372 is 27314124402.
It is a super-2 number, since 2×204421413722 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20442141373) 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, 44788 + ... + 207099.
Almost surely, 220442141372 is an apocalyptic number.
It is an amenable number.
20442141372 is an abundant number, since it is smaller than the sum of its proper divisors (27263430724).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20442141372 is a wasteful number, since it uses less digits than its factorization.
20442141372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 258657 (or 258655 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 30.
Adding to 20442141372 its reverse (27314124402), we get a palindrome (47756265774).
The spelling of 20442141372 in words is "twenty billion, four hundred forty-two million, one hundred forty-one thousand, three hundred seventy-two".
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