Base | Representation |
---|---|
bin | 11100001001010000… |
… | …111101110000110110 |
3 | 2220000002122220020100 |
4 | 130021100331300312 |
5 | 443342333311202 |
6 | 21514420014530 |
7 | 2116612401066 |
oct | 341120756066 |
9 | 86002586210 |
10 | 30220213302 |
11 | 118a85825a4 |
12 | 5a34831446 |
13 | 2b07ba8926 |
14 | 16697ad3a6 |
15 | bbd12741c |
hex | 70943dc36 |
30220213302 has 48 divisors (see below), whose sum is σ = 69592517280. Its totient is φ = 9444777216.
The previous prime is 30220213271. The next prime is 30220213343. The reversal of 30220213302 is 20331202203.
It is a happy number.
It is a super-2 number, since 2×302202133022 (a number of 22 digits) contains 22 as substring.
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 (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107277 + ... + 268232.
It is an arithmetic number, because the mean of its divisors is an integer number (1449844110).
Almost surely, 230220213302 is an apocalyptic number.
30220213302 is an abundant number, since it is smaller than the sum of its proper divisors (39372303978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30220213302 is a wasteful number, since it uses less digits than its factorization.
30220213302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 375797 (or 375794 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 30220213302 its reverse (20331202203), we get a palindrome (50551415505).
The spelling of 30220213302 in words is "thirty billion, two hundred twenty million, two hundred thirteen thousand, three hundred two".
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