Base | Representation |
---|---|
bin | 11100001010100110… |
… | …110010101111110110 |
3 | 2220001122222222102102 |
4 | 130022212302233312 |
5 | 443414113300231 |
6 | 21520542142102 |
7 | 2120304546443 |
oct | 341246625766 |
9 | 86048888372 |
10 | 30242712566 |
11 | 1190a24a630 |
12 | 5a40281932 |
13 | 2b0c7557c1 |
14 | 166c7889ca |
15 | bc00bdacb |
hex | 70a9b2bf6 |
30242712566 has 16 divisors (see below), whose sum is σ = 52092711360. Its totient is φ = 13023177480.
The previous prime is 30242712541. The next prime is 30242712569. The reversal of 30242712566 is 66521724203.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30242712569) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36175076 + ... + 36175911.
It is an arithmetic number, because the mean of its divisors is an integer number (3255794460).
Almost surely, 230242712566 is an apocalyptic number.
30242712566 is a deficient number, since it is larger than the sum of its proper divisors (21849998794).
30242712566 is a wasteful number, since it uses less digits than its factorization.
30242712566 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72351019.
The product of its (nonzero) digits is 120960, while the sum is 38.
The spelling of 30242712566 in words is "thirty billion, two hundred forty-two million, seven hundred twelve thousand, five hundred sixty-six".
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