Base | Representation |
---|---|
bin | 111111011110110… |
… | …1011111100010110 |
3 | 12111110011021212020 |
4 | 1332331223330112 |
5 | 13330301144430 |
6 | 551211234010 |
7 | 103533360024 |
oct | 17675537426 |
9 | 5443137766 |
10 | 2130099990 |
11 | 9a3427717 |
12 | 4b5448906 |
13 | 27c3c94c5 |
14 | 162c83714 |
15 | c7010b10 |
hex | 7ef6bf16 |
2130099990 has 32 divisors (see below), whose sum is σ = 5250411360. Its totient is φ = 552674304.
The previous prime is 2130099919. The next prime is 2130100001. The reversal of 2130099990 is 999900312.
It is a happy number.
It is a congruent 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, 958395 + ... + 960614.
It is an arithmetic number, because the mean of its divisors is an integer number (164075355).
Almost surely, 22130099990 is an apocalyptic number.
2130099990 is an abundant number, since it is smaller than the sum of its proper divisors (3120311370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2130099990 is a wasteful number, since it uses less digits than its factorization.
2130099990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1919056.
The product of its (nonzero) digits is 39366, while the sum is 42.
The square root of 2130099990 is about 46153.0062942816. The cubic root of 2130099990 is about 1286.6684842371.
The spelling of 2130099990 in words is "two billion, one hundred thirty million, ninety-nine thousand, nine hundred ninety".
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