Base | Representation |
---|---|
bin | 111110111010011… |
… | …0101000110111011 |
3 | 12110010012221222221 |
4 | 1331310311012323 |
5 | 13310404013034 |
6 | 545250024511 |
7 | 103212132631 |
oct | 17564650673 |
9 | 5403187887 |
10 | 2111001019 |
11 | 993672346 |
12 | 4aab78137 |
13 | 27847023a |
14 | 160511351 |
15 | c54dbbb4 |
hex | 7dd351bb |
2111001019 has 8 divisors (see below), whose sum is σ = 2203246080. Its totient is φ = 2018794536.
The previous prime is 2111001007. The next prime is 2111001041. The reversal of 2111001019 is 9101001112.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2111001019 is a prime.
It is a super-2 number, since 2×21110010192 = 8912650604438076722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2111000993 and 2111001011.
It is not an unprimeable number, because it can be changed into a prime (2111008019) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193102 + ... + 203740.
It is an arithmetic number, because the mean of its divisors is an integer number (275405760).
Almost surely, 22111001019 is an apocalyptic number.
2111001019 is a deficient number, since it is larger than the sum of its proper divisors (92245061).
2111001019 is a wasteful number, since it uses less digits than its factorization.
2111001019 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19289.
The product of its (nonzero) digits is 18, while the sum is 16.
The square root of 2111001019 is about 45945.6311198355. The cubic root of 2111001019 is about 1282.8114105846.
The spelling of 2111001019 in words is "two billion, one hundred eleven million, one thousand, nineteen".
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