Base | Representation |
---|---|
bin | 1010101011000001… |
… | …0110010000101100 |
3 | 21101122121221220210 |
4 | 2222300112100230 |
5 | 21331342111222 |
6 | 1152134342420 |
7 | 130664255646 |
oct | 25260262054 |
9 | 7348557823 |
10 | 2864800812 |
11 | 1240118285 |
12 | 67b4baa10 |
13 | 368698413 |
14 | 1d2691896 |
15 | 11b789d0c |
hex | aac1642c |
2864800812 has 18 divisors (see below), whose sum is σ = 6684967884. Its totient is φ = 954871800.
The previous prime is 2864800777. The next prime is 2864800819. The reversal of 2864800812 is 2180084682.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (2864800819) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 177687 + ... + 193137.
Almost surely, 22864800812 is an apocalyptic number.
It is an amenable number.
2864800812 is an abundant number, since it is smaller than the sum of its proper divisors (3820167072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2864800812 is an frugal number, since it uses more digits than its factorization.
2864800812 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30909 (or 15456 counting only the distinct ones).
The product of its (nonzero) digits is 49152, while the sum is 39.
The square root of 2864800812 is about 53523.8340554934. The cubic root of 2864800812 is about 1420.2500406083.
Multiplying 2864800812 by its product of nonzero digits (49152), we get a square (140810689511424 = 118663682).
The spelling of 2864800812 in words is "two billion, eight hundred sixty-four million, eight hundred thousand, eight hundred twelve".
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