Base | Representation |
---|---|
bin | 1000001011110011… |
… | …1000111101000001 |
3 | 12200010001011102102 |
4 | 2002330320331001 |
5 | 13444413000001 |
6 | 1002001200145 |
7 | 105305122550 |
oct | 20274707501 |
9 | 5603034372 |
10 | 2197000001 |
11 | a28170689 |
12 | 513930055 |
13 | 290221001 |
14 | 16bad9d97 |
15 | ccd27e6b |
hex | 82f38f41 |
2197000001 has 16 divisors (see below), whose sum is σ = 2645247360. Its totient is φ = 1782518400.
The previous prime is 2196999971. The next prime is 2197000031. The reversal of 2197000001 is 1000007912.
It is a Cunningham number, because it is equal to 13003+1.
It is an interprime number because it is at equal distance from previous prime (2196999971) and next prime (2197000031).
It is a cyclic number.
It is not a de Polignac number, because 2197000001 - 230 = 1123258177 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2197000031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166685 + ... + 179381.
It is an arithmetic number, because the mean of its divisors is an integer number (165327960).
Almost surely, 22197000001 is an apocalyptic number.
It is an amenable number.
2197000001 is a deficient number, since it is larger than the sum of its proper divisors (448247359).
2197000001 is a wasteful number, since it uses less digits than its factorization.
2197000001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14024.
The product of its (nonzero) digits is 126, while the sum is 20.
The square root of 2197000001 is about 46872.1665916992. The cubic root of 2197000001 is about 1300.0000001972. Note that the first 6 decimals are identical.
Adding to 2197000001 its reverse (1000007912), we get a palindrome (3197007913).
The spelling of 2197000001 in words is "two billion, one hundred ninety-seven million, one", and thus it is an aban number.
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