Base | Representation |
---|---|
bin | 1001100100011101… |
… | …0100101111000100 |
3 | 20122000201021202120 |
4 | 2121013110233010 |
5 | 20230110141423 |
6 | 1102523005540 |
7 | 120441504630 |
oct | 23107245704 |
9 | 6560637676 |
10 | 2568833988 |
11 | 10a9048aa6 |
12 | 5b83698b0 |
13 | 31c280316 |
14 | 1a524bdc0 |
15 | 1007c5ee3 |
hex | 991d4bc4 |
2568833988 has 48 divisors (see below), whose sum is σ = 6865186944. Its totient is φ = 732349440.
The previous prime is 2568833987. The next prime is 2568833989. The reversal of 2568833988 is 8893388652.
It is an interprime number because it is at equal distance from previous prime (2568833987) and next prime (2568833989).
It is not an unprimeable number, because it can be changed into a prime (2568833983) 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, 5556 + ... + 71892.
It is an arithmetic number, because the mean of its divisors is an integer number (143024728).
Almost surely, 22568833988 is an apocalyptic number.
2568833988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
2568833988 is an abundant number, since it is smaller than the sum of its proper divisors (4296352956).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2568833988 is a wasteful number, since it uses less digits than its factorization.
2568833988 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66812 (or 66810 counting only the distinct ones).
The product of its digits is 19906560, while the sum is 60.
The square root of 2568833988 is about 50683.6658895151. The cubic root of 2568833988 is about 1369.5524828127.
The spelling of 2568833988 in words is "two billion, five hundred sixty-eight million, eight hundred thirty-three thousand, nine hundred eighty-eight".
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