Base | Representation |
---|---|
bin | 111011111001111… |
… | …1110000000010101 |
3 | 12012002101021022101 |
4 | 1313303332000111 |
5 | 13104042041041 |
6 | 531243402101 |
7 | 100545445621 |
oct | 16763760025 |
9 | 5162337271 |
10 | 2010112021 |
11 | 941723a05 |
12 | 481223331 |
13 | 2605a7bc8 |
14 | 150d6c181 |
15 | bb70db31 |
hex | 77cfe015 |
2010112021 has 4 divisors (see below), whose sum is σ = 2010359200. Its totient is φ = 2009864844.
The previous prime is 2010112019. The next prime is 2010112031. The reversal of 2010112021 is 1202110102.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2010112021 - 21 = 2010112019 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2010111989 and 2010112007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2010112031) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110961 + ... + 127798.
It is an arithmetic number, because the mean of its divisors is an integer number (502589800).
Almost surely, 22010112021 is an apocalyptic number.
It is an amenable number.
2010112021 is a deficient number, since it is larger than the sum of its proper divisors (247179).
2010112021 is an equidigital number, since it uses as much as digits as its factorization.
2010112021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 247178.
The product of its (nonzero) digits is 8, while the sum is 10.
The square root of 2010112021 is about 44834.2728389789. The cubic root of 2010112021 is about 1262.0408726359.
Adding to 2010112021 its reverse (1202110102), we get a palindrome (3212222123).
The spelling of 2010112021 in words is "two billion, ten million, one hundred twelve thousand, twenty-one".
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