Base | Representation |
---|---|
bin | 1110000001100100000011… |
… | …01100010100001101110111 |
3 | 11001012021112111011021012201 |
4 | 13000302001230110031313 |
5 | 13020240401003011122 |
6 | 145331415210325331 |
7 | 6332055652536121 |
oct | 700620154241567 |
9 | 131167474137181 |
10 | 30840041063287 |
11 | 9910208200295 |
12 | 356100b429847 |
13 | 1429284b17981 |
14 | 78894752c211 |
15 | 3873484b4a27 |
hex | 1c0c81b14377 |
30840041063287 has 4 divisors (see below), whose sum is σ = 30840059707600. Its totient is φ = 30840022418976.
The previous prime is 30840041063281. The next prime is 30840041063339. The reversal of 30840041063287 is 78236014004803.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30840041063287 - 243 = 22043948041079 is a prime.
It is a super-2 number, since 2×308400410632872 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30840041063281) 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, 6570162 + ... + 10239487.
It is an arithmetic number, because the mean of its divisors is an integer number (7710014926900).
Almost surely, 230840041063287 is an apocalyptic number.
30840041063287 is a deficient number, since it is larger than the sum of its proper divisors (18644313).
30840041063287 is a wasteful number, since it uses less digits than its factorization.
30840041063287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18644312.
The product of its (nonzero) digits is 774144, while the sum is 46.
The spelling of 30840041063287 in words is "thirty trillion, eight hundred forty billion, forty-one million, sixty-three thousand, two hundred eighty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.087 sec. • engine limits •