Base | Representation |
---|---|
bin | 11100001101010110… |
… | …010101100010101110 |
3 | 2220011212120220212102 |
4 | 130031112111202232 |
5 | 444012403332121 |
6 | 21525304335102 |
7 | 2121403650053 |
oct | 341526254256 |
9 | 86155526772 |
10 | 30288730286 |
11 | 11933220401 |
12 | 5a53774492 |
13 | 2b19148419 |
14 | 167492702a |
15 | bc415d90b |
hex | 70d5958ae |
30288730286 has 4 divisors (see below), whose sum is σ = 45433095432. Its totient is φ = 15144365142.
The previous prime is 30288730259. The next prime is 30288730301. The reversal of 30288730286 is 68203788203.
It is a semiprime because it is the product of two primes.
It is a self number, because there is not a number n which added to its sum of digits gives 30288730286.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7572182570 + ... + 7572182573.
It is an arithmetic number, because the mean of its divisors is an integer number (11358273858).
Almost surely, 230288730286 is an apocalyptic number.
30288730286 is a deficient number, since it is larger than the sum of its proper divisors (15144365146).
30288730286 is a wasteful number, since it uses less digits than its factorization.
30288730286 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15144365145.
The product of its (nonzero) digits is 774144, while the sum is 47.
The spelling of 30288730286 in words is "thirty billion, two hundred eighty-eight million, seven hundred thirty thousand, two hundred eighty-six".
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