Base | Representation |
---|---|
bin | 11011111110001000… |
… | …010101000110010100 |
3 | 2212112002010210212000 |
4 | 123332020111012110 |
5 | 443002022301322 |
6 | 21444103555300 |
7 | 2112153455364 |
oct | 337610250624 |
9 | 85462123760 |
10 | 30033400212 |
11 | 11812087112 |
12 | 59a215bb30 |
13 | 2aa828a93a |
14 | 164ca609a4 |
15 | baba253ac |
hex | 6fe215194 |
30033400212 has 96 divisors (see below), whose sum is σ = 78265152000. Its totient is φ = 9959760000.
The previous prime is 30033400171. The next prime is 30033400213. The reversal of 30033400212 is 21200433003.
30033400212 is a `hidden beast` number, since 300 + 3 + 340 + 0 + 21 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30033400213) 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 31 ways as a sum of consecutive naturals, for example, 28306162 + ... + 28307222.
It is an arithmetic number, because the mean of its divisors is an integer number (815262000).
Almost surely, 230033400212 is an apocalyptic number.
It is an amenable number.
30033400212 is an abundant number, since it is smaller than the sum of its proper divisors (48231751788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30033400212 is a wasteful number, since it uses less digits than its factorization.
30033400212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2174 (or 2166 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 30033400212 its reverse (21200433003), we get a palindrome (51233833215).
The spelling of 30033400212 in words is "thirty billion, thirty-three million, four hundred thousand, two hundred twelve".
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