Base | Representation |
---|---|
bin | 11011111100110000… |
… | …001110001000101101 |
3 | 2212110110200100110111 |
4 | 123330300032020231 |
5 | 442430114144041 |
6 | 21441520540021 |
7 | 2111453236546 |
oct | 337460161055 |
9 | 85413610414 |
10 | 30010303021 |
11 | 11800040926 |
12 | 5996481611 |
13 | 2aa356186a |
14 | 164996b4cd |
15 | ba99b1981 |
hex | 6fcc0e22d |
30010303021 has 8 divisors (see below), whose sum is σ = 30983814144. Its totient is φ = 29037131760.
The previous prime is 30010303019. The next prime is 30010303069. The reversal of 30010303021 is 12030301003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30010303021 - 21 = 30010303019 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30010302992 and 30010303010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30010303121) 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, 100995 + ... + 264991.
It is an arithmetic number, because the mean of its divisors is an integer number (3872976768).
Almost surely, 230010303021 is an apocalyptic number.
30010303021 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
It is an amenable number.
30010303021 is a deficient number, since it is larger than the sum of its proper divisors (973511123).
30010303021 is a wasteful number, since it uses less digits than its factorization.
30010303021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 169931.
The product of its (nonzero) digits is 54, while the sum is 13.
Adding to 30010303021 its reverse (12030301003), we get a palindrome (42040604024).
The spelling of 30010303021 in words is "thirty billion, ten million, three hundred three thousand, twenty-one".
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