Base | Representation |
---|---|
bin | 11100001111110101… |
… | …000000000001011001 |
3 | 2220021202212001101112 |
4 | 130033311000001121 |
5 | 444104030314113 |
6 | 21533352030105 |
7 | 2122420330523 |
oct | 341765000131 |
9 | 86252761345 |
10 | 30330323033 |
11 | 1195474967a |
12 | 5a65692335 |
13 | 2b2494bc0a |
14 | 167a272a13 |
15 | bc7b275a8 |
hex | 70fd40059 |
30330323033 has 4 divisors (see below), whose sum is σ = 32114459700. Its totient is φ = 28546186368.
The previous prime is 30330323011. The next prime is 30330323039. The reversal of 30330323033 is 33032303303.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33032303303 = 3079 ⋅10728257.
It can be written as a sum of positive squares in 2 ways, for example, as 21507102409 + 8823220624 = 146653^2 + 93932^2 .
It is a cyclic number.
It is not a de Polignac number, because 30330323033 - 28 = 30330322777 is a prime.
It is a super-2 number, since 2×303303230332 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30330323039) 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, 892068308 + ... + 892068341.
It is an arithmetic number, because the mean of its divisors is an integer number (8028614925).
Almost surely, 230330323033 is an apocalyptic number.
It is an amenable number.
30330323033 is a deficient number, since it is larger than the sum of its proper divisors (1784136667).
30330323033 is a wasteful number, since it uses less digits than its factorization.
30330323033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1784136666.
The product of its (nonzero) digits is 4374, while the sum is 23.
Adding to 30330323033 its reverse (33032303303), we get a palindrome (63362626336).
The spelling of 30330323033 in words is "thirty billion, three hundred thirty million, three hundred twenty-three thousand, thirty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.096 sec. • engine limits •