Base | Representation |
---|---|
bin | 11100000011010111… |
… | …101001010011110001 |
3 | 2212202012112122101101 |
4 | 130003113221103301 |
5 | 443142023114413 |
6 | 21500524004401 |
7 | 2114301556522 |
oct | 340327512361 |
9 | 85665478341 |
10 | 30121301233 |
11 | 11857764491 |
12 | 5a07690701 |
13 | 2ac055638a |
14 | 165a5c2849 |
15 | bb45d9edd |
hex | 7035e94f1 |
30121301233 has 8 divisors (see below), whose sum is σ = 31901493600. Its totient is φ = 28342036800.
The previous prime is 30121301227. The next prime is 30121301237. The reversal of 30121301233 is 33210312103.
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 30121301233 - 25 = 30121301201 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30121301233.
It is not an unprimeable number, because it can be changed into a prime (30121301237) 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, 164583 + ... + 295516.
It is an arithmetic number, because the mean of its divisors is an integer number (3987686700).
Almost surely, 230121301233 is an apocalyptic number.
It is an amenable number.
30121301233 is a deficient number, since it is larger than the sum of its proper divisors (1780192367).
30121301233 is a wasteful number, since it uses less digits than its factorization.
30121301233 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 463967.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 30121301233 its reverse (33210312103), we get a palindrome (63331613336).
The spelling of 30121301233 in words is "thirty billion, one hundred twenty-one million, three hundred one thousand, two hundred thirty-three".
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