Base | Representation |
---|---|
bin | 1101101001001011101010… |
… | …00010101100001010100101 |
3 | 10221020012012120202011212221 |
4 | 12310211311002230022211 |
5 | 12413024212402431041 |
6 | 143450512050512341 |
7 | 6214411133651113 |
oct | 664456502541245 |
9 | 127205176664787 |
10 | 30002310202021 |
11 | 96179a9a50023 |
12 | 3446794b956b1 |
13 | 1398289c46bb1 |
14 | 75a196112ab3 |
15 | 370667a132d1 |
hex | 1b49750ac2a5 |
30002310202021 has 4 divisors (see below), whose sum is σ = 30131075482092. Its totient is φ = 29873544921952.
The previous prime is 30002310202009. The next prime is 30002310202063. The reversal of 30002310202021 is 12020201320003.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 13166839560996 + 16835470641025 = 3628614^2 + 4103105^2 .
It is a cyclic number.
It is not a de Polignac number, because 30002310202021 - 29 = 30002310201509 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30002310201986 and 30002310202004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30002310602021) 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, 64382639686 + ... + 64382640151.
It is an arithmetic number, because the mean of its divisors is an integer number (7532768870523).
Almost surely, 230002310202021 is an apocalyptic number.
It is an amenable number.
30002310202021 is a deficient number, since it is larger than the sum of its proper divisors (128765280071).
30002310202021 is a wasteful number, since it uses less digits than its factorization.
30002310202021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 128765280070.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 30002310202021 its reverse (12020201320003), we get a palindrome (42022511522024).
The spelling of 30002310202021 in words is "thirty trillion, two billion, three hundred ten million, two hundred two thousand, twenty-one".
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