Base | Representation |
---|---|
bin | 1101110010001011011100… |
… | …01000111001011101001001 |
3 | 10222022202002211000021212101 |
4 | 12321011232020321131021 |
5 | 12433110303100042441 |
6 | 144244514000313401 |
7 | 6245633354116240 |
oct | 671055610713511 |
9 | 128282084007771 |
10 | 30311432034121 |
11 | 9727008190837 |
12 | 3496685312861 |
13 | 13bb481841894 |
14 | 76b11c901957 |
15 | 37870ae17231 |
hex | 1b916e239749 |
30311432034121 has 4 divisors (see below), whose sum is σ = 34641636610432. Its totient is φ = 25981227457812.
The previous prime is 30311432034077. The next prime is 30311432034133. The reversal of 30311432034121 is 12143023411303.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 30311432034121 - 29 = 30311432033609 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 30311432034121.
It is not an unprimeable number, because it can be changed into a prime (30311432037121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2165102288145 + ... + 2165102288158.
It is an arithmetic number, because the mean of its divisors is an integer number (8660409152608).
Almost surely, 230311432034121 is an apocalyptic number.
It is an amenable number.
30311432034121 is a deficient number, since it is larger than the sum of its proper divisors (4330204576311).
30311432034121 is an equidigital number, since it uses as much as digits as its factorization.
30311432034121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4330204576310.
The product of its (nonzero) digits is 5184, while the sum is 28.
Adding to 30311432034121 its reverse (12143023411303), we get a palindrome (42454455445424).
The spelling of 30311432034121 in words is "thirty trillion, three hundred eleven billion, four hundred thirty-two million, thirty-four thousand, one hundred twenty-one".
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