Base | Representation |
---|---|
bin | 1101101001001101001001… |
… | …01101110010111111100011 |
3 | 10221020021021022202201102201 |
4 | 12310212210231302333203 |
5 | 12413032332132000311 |
6 | 143451123301554031 |
7 | 6214440015254023 |
oct | 664464455627743 |
9 | 127207238681381 |
10 | 30003110031331 |
11 | 961827a484688 |
12 | 3446978a15917 |
13 | 139838686a188 |
14 | 75a230435a83 |
15 | 3706b2d549c1 |
hex | 1b49a4b72fe3 |
30003110031331 has 4 divisors (see below), whose sum is σ = 30037088639272. Its totient is φ = 29969131423392.
The previous prime is 30003110031317. The next prime is 30003110031337. The reversal of 30003110031331 is 13313001130003.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30003110031331 - 25 = 30003110031299 is a prime.
It is a super-2 number, since 2×300031100313312 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30003110031299 and 30003110031308.
It is not an unprimeable number, because it can be changed into a prime (30003110031337) 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, 16989302646 + ... + 16989304411.
It is an arithmetic number, because the mean of its divisors is an integer number (7509272159818).
Almost surely, 230003110031331 is an apocalyptic number.
30003110031331 is a deficient number, since it is larger than the sum of its proper divisors (33978607941).
30003110031331 is an equidigital number, since it uses as much as digits as its factorization.
30003110031331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33978607940.
The product of its (nonzero) digits is 243, while the sum is 19.
Adding to 30003110031331 its reverse (13313001130003), we get a palindrome (43316111161334).
The spelling of 30003110031331 in words is "thirty trillion, three billion, one hundred ten million, thirty-one thousand, three hundred thirty-one".
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