Base | Representation |
---|---|
bin | 1101101010000001100000… |
… | …01101001111101111000001 |
3 | 10221022221211100211210022110 |
4 | 12311000300031033233001 |
5 | 12414012414322043241 |
6 | 143512052502325533 |
7 | 6216453426100641 |
oct | 665006015175701 |
9 | 127287740753273 |
10 | 30031220112321 |
11 | 962919492857a |
12 | 3450302a298a9 |
13 | 139ac1651b0ac |
14 | 75b73987c521 |
15 | 3712aaab2816 |
hex | 1b503034fbc1 |
30031220112321 has 8 divisors (see below), whose sum is σ = 40094944564864. Its totient is φ = 19994154534000.
The previous prime is 30031220112317. The next prime is 30031220112329. The reversal of 30031220112321 is 12321102213003.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30031220112321 - 22 = 30031220112317 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30031220112329) 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, 6664715926 + ... + 6664720431.
It is an arithmetic number, because the mean of its divisors is an integer number (5011868070608).
Almost surely, 230031220112321 is an apocalyptic number.
It is an amenable number.
30031220112321 is a deficient number, since it is larger than the sum of its proper divisors (10063724452543).
30031220112321 is a wasteful number, since it uses less digits than its factorization.
30031220112321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13329437111.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 30031220112321 its reverse (12321102213003), we get a palindrome (42352322325324).
The spelling of 30031220112321 in words is "thirty trillion, thirty-one billion, two hundred twenty million, one hundred twelve thousand, three hundred twenty-one".
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