Base | Representation |
---|---|
bin | 111110111110011… |
… | …0101100011100001 |
3 | 12110021011121021000 |
4 | 1331330311203201 |
5 | 13311423200001 |
6 | 545403022213 |
7 | 103236024255 |
oct | 17574654341 |
9 | 5407147230 |
10 | 2113100001 |
11 | 994876341 |
12 | 4ab80a969 |
13 | 278a2673c |
14 | 1608da265 |
15 | c57a3a86 |
hex | 7df358e1 |
2113100001 has 8 divisors (see below), whose sum is σ = 3130518560. Its totient is φ = 1408733316.
The previous prime is 2113099981. The next prime is 2113100009. The reversal of 2113100001 is 1000013112.
It is not a de Polignac number, because 2113100001 - 27 = 2113099873 is a prime.
It is a super-2 number, since 2×21131000012 = 8930383228452400002, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2113100009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39131455 + ... + 39131508.
It is an arithmetic number, because the mean of its divisors is an integer number (391314820).
Almost surely, 22113100001 is an apocalyptic number.
It is an amenable number.
2113100001 is a deficient number, since it is larger than the sum of its proper divisors (1017418559).
2113100001 is an equidigital number, since it uses as much as digits as its factorization.
2113100001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78262972 (or 78262966 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 9.
The square root of 2113100001 is about 45968.4674641215. The cubic root of 2113100001 is about 1283.2364389804.
Adding to 2113100001 its reverse (1000013112), we get a palindrome (3113113113).
The spelling of 2113100001 in words is "two billion, one hundred thirteen million, one hundred thousand, one".
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