Base | Representation |
---|---|
bin | 1010100111111010… |
… | …1101110100000001 |
3 | 21100202010221112212 |
4 | 2221332231310001 |
5 | 21320024240311 |
6 | 1150551431505 |
7 | 130445546540 |
oct | 25176556401 |
9 | 7322127485 |
10 | 2851790081 |
11 | 1233841108 |
12 | 677085595 |
13 | 365a9136a |
14 | 1d0a66157 |
15 | 11a569c8b |
hex | a9fadd01 |
2851790081 has 16 divisors (see below), whose sum is σ = 3373539840. Its totient is φ = 2358726720.
The previous prime is 2851790021. The next prime is 2851790083. The reversal of 2851790081 is 1800971582.
It is not a de Polignac number, because 2851790081 - 218 = 2851527937 is a prime.
It is a super-2 number, since 2×28517900812 = 16265413332179973122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2851790083) 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 15 ways as a sum of consecutive naturals, for example, 493871 + ... + 499611.
It is an arithmetic number, because the mean of its divisors is an integer number (210846240).
Almost surely, 22851790081 is an apocalyptic number.
It is an amenable number.
2851790081 is a deficient number, since it is larger than the sum of its proper divisors (521749759).
2851790081 is a wasteful number, since it uses less digits than its factorization.
2851790081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8224.
The product of its (nonzero) digits is 40320, while the sum is 41.
The square root of 2851790081 is about 53402.1542730254. The cubic root of 2851790081 is about 1418.0967162752.
The spelling of 2851790081 in words is "two billion, eight hundred fifty-one million, seven hundred ninety thousand, eighty-one".
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