Base | Representation |
---|---|
bin | 111110111100010… |
… | …1101111000100000 |
3 | 12110012010201202222 |
4 | 1331320231320200 |
5 | 13311134120000 |
6 | 545323530212 |
7 | 103223605466 |
oct | 17570557040 |
9 | 5405121688 |
10 | 2112020000 |
11 | 9941a8982 |
12 | 4ab389968 |
13 | 278738c9c |
14 | 1606d8836 |
15 | c563da85 |
hex | 7de2de20 |
2112020000 has 60 divisors (see below), whose sum is σ = 5195935206. Its totient is φ = 844800000.
The previous prime is 2112019981. The next prime is 2112020077. The reversal of 2112020000 is 202112.
It can be written as a sum of positive squares in 5 ways, for example, as 358420624 + 1753599376 = 18932^2 + 41876^2 .
It is a Harshad number since it is a multiple of its sum of digits (8).
It is a self number, because there is not a number n which added to its sum of digits gives 2112020000.
It is a congruent number.
It is an unprimeable number.
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 9 ways as a sum of consecutive naturals, for example, 32801 + ... + 72800.
Almost surely, 22112020000 is an apocalyptic number.
2112020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2112020000 is an abundant number, since it is smaller than the sum of its proper divisors (3083915206).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112020000 is an equidigital number, since it uses as much as digits as its factorization.
2112020000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105631 (or 105608 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 8.
The square root of 2112020000 is about 45956.7187688590. The cubic root of 2112020000 is about 1283.0177819026.
Adding to 2112020000 its reverse (202112), we get a palindrome (2112222112).
The spelling of 2112020000 in words is "two billion, one hundred twelve million, twenty thousand".
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