Base | Representation |
---|---|
bin | 111110100111111… |
… | …0100111111111010 |
3 | 12102102222011101221 |
4 | 1331033310333322 |
5 | 13300413114432 |
6 | 544302102254 |
7 | 103033523455 |
oct | 17517647772 |
9 | 5372864357 |
10 | 2101301242 |
11 | 9891477a7 |
12 | 4a787a98a |
13 | 276455221 |
14 | 15d10849c |
15 | c4722b97 |
hex | 7d3f4ffa |
2101301242 has 4 divisors (see below), whose sum is σ = 3151951866. Its totient is φ = 1050650620.
The previous prime is 2101301197. The next prime is 2101301261. The reversal of 2101301242 is 2421031012.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 2038432201 + 62869041 = 45149^2 + 7929^2 .
It is a super-3 number, since 3×21013012423 (a number of 29 digits) contains 333 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525325309 + ... + 525325312.
Almost surely, 22101301242 is an apocalyptic number.
2101301242 is a deficient number, since it is larger than the sum of its proper divisors (1050650624).
2101301242 is a wasteful number, since it uses less digits than its factorization.
2101301242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1050650623.
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 2101301242 is about 45839.9524650713. The cubic root of 2101301242 is about 1280.8436093264.
Adding to 2101301242 its reverse (2421031012), we get a palindrome (4522332254).
The spelling of 2101301242 in words is "two billion, one hundred one million, three hundred one thousand, two hundred forty-two".
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