Base | Representation |
---|---|
bin | 111111010101111… |
… | …1101101011011100 |
3 | 12111010102020211011 |
4 | 1332223331223130 |
5 | 13323104012134 |
6 | 550523505004 |
7 | 103446030010 |
oct | 17653755334 |
9 | 5433366734 |
10 | 2125454044 |
11 | 9a084409a |
12 | 4b3988164 |
13 | 27b46091c |
14 | 1623d4540 |
15 | c68e4264 |
hex | 7eafdadc |
2125454044 has 24 divisors (see below), whose sum is σ = 4264506848. Its totient is φ = 907994880.
The previous prime is 2125454041. The next prime is 2125454047. The reversal of 2125454044 is 4404545212.
It is an interprime number because it is at equal distance from previous prime (2125454041) and next prime (2125454047).
It is a junction number, because it is equal to n+sod(n) for n = 2125453997 and 2125454015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2125454041) 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, 112497 + ... + 130024.
Almost surely, 22125454044 is an apocalyptic number.
It is an amenable number.
2125454044 is an abundant number, since it is smaller than the sum of its proper divisors (2139052804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2125454044 is a wasteful number, since it uses less digits than its factorization.
2125454044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 242845 (or 242843 counting only the distinct ones).
The product of its (nonzero) digits is 25600, while the sum is 31.
The square root of 2125454044 is about 46102.6468220643. The cubic root of 2125454044 is about 1285.7323554733.
Adding to 2125454044 its reverse (4404545212), we get a palindrome (6529999256).
The spelling of 2125454044 in words is "two billion, one hundred twenty-five million, four hundred fifty-four thousand, forty-four".
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