Base | Representation |
---|---|
bin | 1010110001000001… |
… | …1110100100101001 |
3 | 21110102001020122021 |
4 | 2230100132210221 |
5 | 21404320010211 |
6 | 1154434424441 |
7 | 131421412651 |
oct | 25420364451 |
9 | 7412036567 |
10 | 2890000681 |
11 | 125336a317 |
12 | 687a32121 |
13 | 37097c599 |
14 | 1d5b71361 |
15 | 11dab6771 |
hex | ac41e929 |
2890000681 has 8 divisors (see below), whose sum is σ = 3052021280. Its totient is φ = 2728971648.
The previous prime is 2890000609. The next prime is 2890000727. The reversal of 2890000681 is 1860000982.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2890000681 - 211 = 2889998633 is a prime.
It is a super-2 number, since 2×28900006812 = 16704207872360927522, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2890000601) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241896 + ... + 253561.
It is an arithmetic number, because the mean of its divisors is an integer number (381502660).
Almost surely, 22890000681 is an apocalyptic number.
It is an amenable number.
2890000681 is a deficient number, since it is larger than the sum of its proper divisors (162020599).
2890000681 is a wasteful number, since it uses less digits than its factorization.
2890000681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 495783.
The product of its (nonzero) digits is 6912, while the sum is 34.
The square root of 2890000681 is about 53758.7265567182. The cubic root of 2890000681 is about 1424.4022412952.
The spelling of 2890000681 in words is "two billion, eight hundred ninety million, six hundred eighty-one", and thus it is an aban number.
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