Base | Representation |
---|---|
bin | 1010111110001110… |
… | …1111001000010000 |
3 | 21121021020211222202 |
4 | 2233203233020100 |
5 | 22013004142010 |
6 | 1204133422332 |
7 | 132663216161 |
oct | 25743571020 |
9 | 7537224882 |
10 | 2945380880 |
11 | 1281655282 |
12 | 6a249a9a8 |
13 | 37c29c830 |
14 | 1dd269768 |
15 | 1238a56a5 |
hex | af8ef210 |
2945380880 has 40 divisors (see below), whose sum is σ = 7374783192. Its totient is φ = 1087524864.
The previous prime is 2945380877. The next prime is 2945380939. The reversal of 2945380880 is 880835492.
2945380880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 288184576 + 2657196304 = 16976^2 + 51548^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1415009 + ... + 1417088.
Almost surely, 22945380880 is an apocalyptic number.
2945380880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2945380880 is an abundant number, since it is smaller than the sum of its proper divisors (4429402312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2945380880 is a wasteful number, since it uses less digits than its factorization.
2945380880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2832123 (or 2832117 counting only the distinct ones).
The product of its (nonzero) digits is 552960, while the sum is 47.
The square root of 2945380880 is about 54271.3633512187. The cubic root of 2945380880 is about 1433.4431966747.
The spelling of 2945380880 in words is "two billion, nine hundred forty-five million, three hundred eighty thousand, eight hundred eighty".
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