Base | Representation |
---|---|
bin | 11100001110111010… |
… | …111111011011111000 |
3 | 2220020201020110122110 |
4 | 130032322333123320 |
5 | 444041132210110 |
6 | 21532050052320 |
7 | 2122144144131 |
oct | 341672773370 |
9 | 86221213573 |
10 | 30315116280 |
11 | 11947102609 |
12 | 5a6057a0a0 |
13 | 2b21756437 |
14 | 1678234c88 |
15 | bc6621a20 |
hex | 70eebf6f8 |
30315116280 has 64 divisors (see below), whose sum is σ = 93163543200. Its totient is φ = 7886858240.
The previous prime is 30315116267. The next prime is 30315116311. The reversal of 30315116280 is 8261151303.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
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 in 15 ways as a sum of consecutive naturals, for example, 3075885 + ... + 3085724.
Almost surely, 230315116280 is an apocalyptic number.
30315116280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30315116280 is an abundant number, since it is smaller than the sum of its proper divisors (62848426920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30315116280 is a wasteful number, since it uses less digits than its factorization.
30315116280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6161664 (or 6161660 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 30.
Adding to 30315116280 its reverse (8261151303), we get a palindrome (38576267583).
The spelling of 30315116280 in words is "thirty billion, three hundred fifteen million, one hundred sixteen thousand, two hundred eighty".
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