Base | Representation |
---|---|
bin | 1010110110010010… |
… | …0100101010110001 |
3 | 21111221112020210010 |
4 | 2231210210222301 |
5 | 21430440430440 |
6 | 1200543125133 |
7 | 132106660200 |
oct | 25544445261 |
9 | 7457466703 |
10 | 2912045745 |
11 | 1264857084 |
12 | 6932a37a9 |
13 | 3753ca7bb |
14 | 1d8a6d237 |
15 | 1209bd580 |
hex | ad924ab1 |
2912045745 has 24 divisors (see below), whose sum is σ = 5419972224. Its totient is φ = 1331220576.
The previous prime is 2912045707. The next prime is 2912045749. The reversal of 2912045745 is 5475402192.
It is not a de Polignac number, because 2912045745 - 213 = 2912037553 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2912045749) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1980249 + ... + 1981718.
It is an arithmetic number, because the mean of its divisors is an integer number (225832176).
Almost surely, 22912045745 is an apocalyptic number.
It is an amenable number.
2912045745 is a deficient number, since it is larger than the sum of its proper divisors (2507926479).
2912045745 is a wasteful number, since it uses less digits than its factorization.
2912045745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3961989 (or 3961982 counting only the distinct ones).
The product of its (nonzero) digits is 100800, while the sum is 39.
The square root of 2912045745 is about 53963.3741068885. The cubic root of 2912045745 is about 1428.0148739320.
The spelling of 2912045745 in words is "two billion, nine hundred twelve million, forty-five thousand, seven hundred forty-five".
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