Base | Representation |
---|---|
bin | 1010110001001110… |
… | …1111001011001011 |
3 | 21110110122122200222 |
4 | 2230103233023023 |
5 | 21410024330430 |
6 | 1154505020255 |
7 | 131431602011 |
oct | 25423571313 |
9 | 7413578628 |
10 | 2890855115 |
11 | 12538a3265 |
12 | 68818468b |
13 | 370bbb475 |
14 | 1d5d148b1 |
15 | 11dbd49e5 |
hex | ac4ef2cb |
2890855115 has 16 divisors (see below), whose sum is σ = 3525494976. Its totient is φ = 2275200000.
The previous prime is 2890855109. The next prime is 2890855139. The reversal of 2890855115 is 5115580982.
It is not a de Polignac number, because 2890855115 - 28 = 2890854859 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136490 + ... + 156240.
It is an arithmetic number, because the mean of its divisors is an integer number (220343436).
Almost surely, 22890855115 is an apocalyptic number.
2890855115 is a deficient number, since it is larger than the sum of its proper divisors (634639861).
2890855115 is a wasteful number, since it uses less digits than its factorization.
2890855115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20230.
The product of its (nonzero) digits is 144000, while the sum is 44.
The square root of 2890855115 is about 53766.6729024588. The cubic root of 2890855115 is about 1424.5426031747.
The spelling of 2890855115 in words is "two billion, eight hundred ninety million, eight hundred fifty-five thousand, one hundred fifteen".
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