Base | Representation |
---|---|
bin | 101010000100010011… |
… | …101111110100100000 |
3 | 11022120221021101220021 |
4 | 222010103233310200 |
5 | 1220001334121310 |
6 | 32430041523224 |
7 | 3156224631340 |
oct | 520423576440 |
9 | 138527241807 |
10 | 45169442080 |
11 | 18179a77424 |
12 | 89071a3514 |
13 | 434b059529 |
14 | 2286d78d20 |
15 | 129575d5da |
hex | a844efd20 |
45169442080 has 96 divisors (see below), whose sum is σ = 122589984384. Its totient is φ = 15406350336.
The previous prime is 45169442041. The next prime is 45169442081. The reversal of 45169442080 is 8024496154.
It is not an unprimeable number, because it can be changed into a prime (45169442081) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111679 + ... + 320641.
It is an arithmetic number, because the mean of its divisors is an integer number (1276979004).
Almost surely, 245169442080 is an apocalyptic number.
45169442080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 45169442080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61294992192).
45169442080 is an abundant number, since it is smaller than the sum of its proper divisors (77420542304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
45169442080 is a wasteful number, since it uses less digits than its factorization.
45169442080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 209178 (or 209170 counting only the distinct ones).
The product of its (nonzero) digits is 276480, while the sum is 43.
The spelling of 45169442080 in words is "forty-five billion, one hundred sixty-nine million, four hundred forty-two thousand, eighty".
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