Base | Representation |
---|---|
bin | 111100011111101… |
… | …1010101010010101 |
3 | 12020110121002212102 |
4 | 1320333122222111 |
5 | 13124122441242 |
6 | 533231331445 |
7 | 101205532136 |
oct | 17077325225 |
9 | 5213532772 |
10 | 2029890197 |
11 | 951902605 |
12 | 487980b85 |
13 | 26471137a |
14 | 153839c8d |
15 | bd318e32 |
hex | 78fdaa95 |
2029890197 has 8 divisors (see below), whose sum is σ = 2083224192. Its totient is φ = 1976738400.
The previous prime is 2029890173. The next prime is 2029890211. The reversal of 2029890197 is 7910989202.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2029890197 - 218 = 2029628053 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2029890157) 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, 22829 + ... + 67682.
It is an arithmetic number, because the mean of its divisors is an integer number (260403024).
Almost surely, 22029890197 is an apocalyptic number.
It is an amenable number.
2029890197 is a deficient number, since it is larger than the sum of its proper divisors (53333995).
2029890197 is an equidigital number, since it uses as much as digits as its factorization.
2029890197 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91099.
The product of its (nonzero) digits is 163296, while the sum is 47.
The square root of 2029890197 is about 45054.3027578943. The cubic root of 2029890197 is about 1266.1665871362.
The spelling of 2029890197 in words is "two billion, twenty-nine million, eight hundred ninety thousand, one hundred ninety-seven".
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