Base | Representation |
---|---|
bin | 1001111111010110… |
… | …1101101000010011 |
3 | 20220220000100001001 |
4 | 2133311231220103 |
5 | 20443001023000 |
6 | 1122033122431 |
7 | 123311500351 |
oct | 23765555023 |
9 | 6826010031 |
10 | 2681657875 |
11 | 11567a9286 |
12 | 62a0b9417 |
13 | 339763b10 |
14 | 1b621a7d1 |
15 | 10a66046a |
hex | 9fd6da13 |
2681657875 has 32 divisors (see below), whose sum is σ = 3612563136. Its totient is φ = 1975680000.
The previous prime is 2681657857. The next prime is 2681657887. The reversal of 2681657875 is 5787561862.
It is a de Polignac number, because none of the positive numbers 2k-2681657875 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 796195 + ... + 799555.
It is an arithmetic number, because the mean of its divisors is an integer number (112892598).
Almost surely, 22681657875 is an apocalyptic number.
2681657875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
2681657875 is a deficient number, since it is larger than the sum of its proper divisors (930905261).
2681657875 is a wasteful number, since it uses less digits than its factorization.
2681657875 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3880 (or 3870 counting only the distinct ones).
The product of its digits is 5644800, while the sum is 55.
The square root of 2681657875 is about 51784.7262713631. The cubic root of 2681657875 is about 1389.3162751979.
The spelling of 2681657875 in words is "two billion, six hundred eighty-one million, six hundred fifty-seven thousand, eight hundred seventy-five".
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