Base | Representation |
---|---|
bin | 111111111011111… |
… | …0111001000111001 |
3 | 12112111212002012212 |
4 | 1333313313020321 |
5 | 13343202201301 |
6 | 552514144505 |
7 | 104110114211 |
oct | 17767671071 |
9 | 5474762185 |
10 | 2145350201 |
11 | a00aa33a5 |
12 | 4ba582135 |
13 | 2826089b7 |
14 | 164cd3241 |
15 | c85244bb |
hex | 7fdf7239 |
2145350201 has 4 divisors (see below), whose sum is σ = 2149650000. Its totient is φ = 2141050404.
The previous prime is 2145350183. The next prime is 2145350213. The reversal of 2145350201 is 1020535412.
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 a de Polignac number, because none of the positive numbers 2k-2145350201 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2145320201) 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, 2149151 + ... + 2150148.
It is an arithmetic number, because the mean of its divisors is an integer number (537412500).
Almost surely, 22145350201 is an apocalyptic number.
It is an amenable number.
2145350201 is a deficient number, since it is larger than the sum of its proper divisors (4299799).
2145350201 is an equidigital number, since it uses as much as digits as its factorization.
2145350201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4299798.
The product of its (nonzero) digits is 1200, while the sum is 23.
The square root of 2145350201 is about 46317.9252665747. The cubic root of 2145350201 is about 1289.7317714452.
Adding to 2145350201 its reverse (1020535412), we get a palindrome (3165885613).
The spelling of 2145350201 in words is "two billion, one hundred forty-five million, three hundred fifty thousand, two hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •