Base | Representation |
---|---|
bin | 1101110001111001111000… |
… | …00100111110110010101100 |
3 | 10222021211202122010200202200 |
4 | 12320330330010332302230 |
5 | 12432432000031241022 |
6 | 144240314142421500 |
7 | 6245150602005426 |
oct | 670747404766254 |
9 | 128254678120680 |
10 | 30302002212012 |
11 | 9723009305923 |
12 | 3494893291890 |
13 | 13ba60b00ac9b |
14 | 76a8a63a1816 |
15 | 378358135bac |
hex | 1b8f3c13ecac |
30302002212012 has 72 divisors (see below), whose sum is σ = 80436109973856. Its totient is φ = 9599969643264.
The previous prime is 30302002211983. The next prime is 30302002212019. The reversal of 30302002212012 is 21021220020303.
It is a super-2 number, since 2×303020022120122 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (30302002212019) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116419753 + ... + 116679744.
Almost surely, 230302002212012 is an apocalyptic number.
It is an amenable number.
30302002212012 is an abundant number, since it is smaller than the sum of its proper divisors (50134107761844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30302002212012 is a wasteful number, since it uses less digits than its factorization.
30302002212012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 233099687 (or 233099682 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 30302002212012 its reverse (21021220020303), we get a palindrome (51323222232315).
The spelling of 30302002212012 in words is "thirty trillion, three hundred two billion, two million, two hundred twelve thousand, twelve".
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