Base | Representation |
---|---|
bin | 11100000011010111… |
… | …101001000101011001 |
3 | 2212202012112121010022 |
4 | 130003113221011121 |
5 | 443142023102223 |
6 | 21500524000225 |
7 | 2114301554036 |
oct | 340327510531 |
9 | 85665477108 |
10 | 30121300313 |
11 | 11857763825 |
12 | 5a07690075 |
13 | 2ac0555b30 |
14 | 165a5c238d |
15 | bb45d9ac8 |
hex | 7035e9159 |
30121300313 has 16 divisors (see below), whose sum is σ = 33223550976. Its totient is φ = 27136724160.
The previous prime is 30121300291. The next prime is 30121300333. The reversal of 30121300313 is 31300312103.
It is not a de Polignac number, because 30121300313 - 218 = 30121038169 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30121300291 and 30121300300.
It is not an unprimeable number, because it can be changed into a prime (30121300333) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17156 + ... + 246042.
It is an arithmetic number, because the mean of its divisors is an integer number (2076471936).
Almost surely, 230121300313 is an apocalyptic number.
It is an amenable number.
30121300313 is a deficient number, since it is larger than the sum of its proper divisors (3102250663).
30121300313 is a wasteful number, since it uses less digits than its factorization.
30121300313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 229144.
The product of its (nonzero) digits is 162, while the sum is 17.
Adding to 30121300313 its reverse (31300312103), we get a palindrome (61421612416).
The spelling of 30121300313 in words is "thirty billion, one hundred twenty-one million, three hundred thousand, three hundred thirteen".
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