Base | Representation |
---|---|
bin | 111100001100100… |
… | …1111010000010001 |
3 | 12012202202122012111 |
4 | 1320121033100101 |
5 | 13114042211001 |
6 | 532233025321 |
7 | 101024466544 |
oct | 17031172021 |
9 | 5182678174 |
10 | 2019882001 |
11 | 947197275 |
12 | 484555241 |
13 | 262618b67 |
14 | 15239285b |
15 | bc4dd851 |
hex | 7864f411 |
2019882001 has 6 divisors (see below), whose sum is σ = 2131787202. Its totient is φ = 1913572080.
The previous prime is 2019881977. The next prime is 2019882023. The reversal of 2019882001 is 1002889102.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 1207632001 + 812250000 = 34751^2 + 28500^2 .
It is a de Polignac number, because none of the positive numbers 2k-2019882001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2019882071) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2797260 + ... + 2797981.
It is an arithmetic number, because the mean of its divisors is an integer number (355297867).
Almost surely, 22019882001 is an apocalyptic number.
It is an amenable number.
2019882001 is a deficient number, since it is larger than the sum of its proper divisors (111905201).
2019882001 is an equidigital number, since it uses as much as digits as its factorization.
2019882001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5595279 (or 5595260 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 31.
The square root of 2019882001 is about 44943.0973676715. The cubic root of 2019882001 is about 1264.0822499704.
The spelling of 2019882001 in words is "two billion, nineteen million, eight hundred eighty-two thousand, one".
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