Base | Representation |
---|---|
bin | 11100001000110110… |
… | …010011011001001100 |
3 | 2212222121111210201202 |
4 | 130020312103121030 |
5 | 443334041132022 |
6 | 21514010125032 |
7 | 2116466111126 |
oct | 341066233114 |
9 | 85877453652 |
10 | 30213224012 |
11 | 118a4639424 |
12 | 5a32420778 |
13 | 2b065cc55a |
14 | 16688b0216 |
15 | bbc6e6592 |
hex | 708d9364c |
30213224012 has 12 divisors (see below), whose sum is σ = 52874611776. Its totient is φ = 15106192080.
The previous prime is 30213224011. The next prime is 30213224021. The reversal of 30213224012 is 21042231203.
It is a super-2 number, since 2×302132240122 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30213224011) 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, 102437 + ... + 266307.
It is an arithmetic number, because the mean of its divisors is an integer number (4406217648).
Almost surely, 230213224012 is an apocalyptic number.
It is an amenable number.
30213224012 is a deficient number, since it is larger than the sum of its proper divisors (22661387764).
30213224012 is a wasteful number, since it uses less digits than its factorization.
30213224012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 209968 (or 209966 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 30213224012 its reverse (21042231203), we get a palindrome (51255455215).
The spelling of 30213224012 in words is "thirty billion, two hundred thirteen million, two hundred twenty-four thousand, twelve".
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