Base | Representation |
---|---|
bin | 1010100111101101… |
… | …0001100011011001 |
3 | 21100200110002222122 |
4 | 2221323101203121 |
5 | 21314311403042 |
6 | 1150520231025 |
7 | 130435101344 |
oct | 25173214331 |
9 | 7320402878 |
10 | 2850887897 |
11 | 1233285300 |
12 | 67690b475 |
13 | 365836820 |
14 | 1d08ad45b |
15 | 11a43c7d2 |
hex | a9ed18d9 |
2850887897 has 24 divisors (see below), whose sum is σ = 3380937672. Its totient is φ = 2387911680.
The previous prime is 2850887827. The next prime is 2850887903. The reversal of 2850887897 is 7987880582.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 11703241 + 2839184656 = 3421^2 + 53284^2 .
It is a de Polignac number, because none of the positive numbers 2k-2850887897 is a prime.
It is a super-2 number, since 2×28508878972 = 16255123602522165218, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2850887827) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1057283 + ... + 1059975.
It is an arithmetic number, because the mean of its divisors is an integer number (140872403).
Almost surely, 22850887897 is an apocalyptic number.
It is an amenable number.
2850887897 is a deficient number, since it is larger than the sum of its proper divisors (530049775).
2850887897 is a wasteful number, since it uses less digits than its factorization.
2850887897 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3401 (or 3390 counting only the distinct ones).
The product of its (nonzero) digits is 18063360, while the sum is 62.
The square root of 2850887897 is about 53393.7065298898. The cubic root of 2850887897 is about 1417.9471588546.
The spelling of 2850887897 in words is "two billion, eight hundred fifty million, eight hundred eighty-seven thousand, eight hundred ninety-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •