Base | Representation |
---|---|
bin | 111100100000001… |
… | …0010110010100101 |
3 | 12020111000210020101 |
4 | 1321000102302211 |
5 | 13124202320401 |
6 | 533240304101 |
7 | 101210510332 |
oct | 17100226245 |
9 | 5214023211 |
10 | 2030120101 |
11 | 951a4a309 |
12 | 487a72031 |
13 | 264791bc9 |
14 | 153899989 |
15 | bd362101 |
hex | 79012ca5 |
2030120101 has 4 divisors (see below), whose sum is σ = 2040639052. Its totient is φ = 2019601152.
The previous prime is 2030120069. The next prime is 2030120119. The reversal of 2030120101 is 1010210302.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 1200622500 + 829497601 = 34650^2 + 28801^2 .
It is a cyclic number.
It is not a de Polignac number, because 2030120101 - 25 = 2030120069 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 (2030120801) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5259186 + ... + 5259571.
It is an arithmetic number, because the mean of its divisors is an integer number (510159763).
Almost surely, 22030120101 is an apocalyptic number.
It is an amenable number.
2030120101 is a deficient number, since it is larger than the sum of its proper divisors (10518951).
2030120101 is a wasteful number, since it uses less digits than its factorization.
2030120101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10518950.
The product of its (nonzero) digits is 12, while the sum is 10.
The square root of 2030120101 is about 45056.8540956867. The cubic root of 2030120101 is about 1266.2143870573.
Adding to 2030120101 its reverse (1010210302), we get a palindrome (3040330403).
The spelling of 2030120101 in words is "two billion, thirty million, one hundred twenty thousand, one hundred one".
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