Base | Representation |
---|---|
bin | 111110100111011… |
… | …0000010111001100 |
3 | 12102102102212202120 |
4 | 1331032300113030 |
5 | 13300330120413 |
6 | 544252052540 |
7 | 103031243025 |
oct | 17516602714 |
9 | 5372385676 |
10 | 2101020108 |
11 | 988a75560 |
12 | 4a7764150 |
13 | 276387285 |
14 | 15d073c4c |
15 | c46b9723 |
hex | 7d3b05cc |
2101020108 has 48 divisors (see below), whose sum is σ = 5354073984. Its totient is φ = 635955840.
The previous prime is 2101020049. The next prime is 2101020137. The reversal of 2101020108 is 8010201012.
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 15 ways as a sum of consecutive naturals, for example, 115191 + ... + 132177.
It is an arithmetic number, because the mean of its divisors is an integer number (111543208).
Almost surely, 22101020108 is an apocalyptic number.
It is an amenable number.
2101020108 is an abundant number, since it is smaller than the sum of its proper divisors (3253053876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2101020108 is a wasteful number, since it uses less digits than its factorization.
2101020108 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17942 (or 17940 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 15.
The square root of 2101020108 is about 45836.8858889868. The cubic root of 2101020108 is about 1280.7864852390.
The spelling of 2101020108 in words is "two billion, one hundred one million, twenty thousand, one hundred eight".
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