Base | Representation |
---|---|
bin | 11100101010101000… |
… | …101111011011100111 |
3 | 2221110010011210102021 |
4 | 130222220233123213 |
5 | 1001014201003213 |
6 | 22050140124011 |
7 | 2136521324626 |
oct | 345250573347 |
9 | 87403153367 |
10 | 30780094183 |
11 | 12065619373 |
12 | 5b70236607 |
13 | 2b96b986a7 |
14 | 16bdcb16bd |
15 | c0236cd8d |
hex | 72aa2f6e7 |
30780094183 has 4 divisors (see below), whose sum is σ = 32400099160. Its totient is φ = 29160089208.
The previous prime is 30780094171. The next prime is 30780094237. The reversal of 30780094183 is 38149008703.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30780094183 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 (30780094883) 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, 810002460 + ... + 810002497.
It is an arithmetic number, because the mean of its divisors is an integer number (8100024790).
Almost surely, 230780094183 is an apocalyptic number.
30780094183 is a deficient number, since it is larger than the sum of its proper divisors (1620004977).
30780094183 is a wasteful number, since it uses less digits than its factorization.
30780094183 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1620004976.
The product of its (nonzero) digits is 145152, while the sum is 43.
The spelling of 30780094183 in words is "thirty billion, seven hundred eighty million, ninety-four thousand, one hundred eighty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.475 sec. • engine limits •