Base | Representation |
---|---|
bin | 11011111101010110… |
… | …000001100111110000 |
3 | 2212111011022211201100 |
4 | 123331112001213300 |
5 | 442440133310412 |
6 | 21442513204400 |
7 | 2111633413362 |
oct | 337526014760 |
9 | 85434284640 |
10 | 30020213232 |
11 | 1180569a589 |
12 | 5999860700 |
13 | 2aa56215a9 |
14 | 164adcad32 |
15 | baa7bcedc |
hex | 6fd5819f0 |
30020213232 has 60 divisors (see below), whose sum is σ = 88956962640. Its totient is φ = 9418105344.
The previous prime is 30020213213. The next prime is 30020213273. The reversal of 30020213232 is 23231202003.
It is a happy number.
30020213232 is a `hidden beast` number, since 300 + 20 + 21 + 323 + 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 an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6129132 + ... + 6134027.
It is an arithmetic number, because the mean of its divisors is an integer number (1482616044).
Almost surely, 230020213232 is an apocalyptic number.
It is an amenable number.
30020213232 is an abundant number, since it is smaller than the sum of its proper divisors (58936749408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30020213232 is a wasteful number, since it uses less digits than its factorization.
30020213232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12263190 (or 12263181 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 30020213232 its reverse (23231202003), we get a palindrome (53251415235).
The spelling of 30020213232 in words is "thirty billion, twenty million, two hundred thirteen thousand, two hundred thirty-two".
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