Base | Representation |
---|---|
bin | 11100010110100010… |
… | …111101001101001100 |
3 | 2220120121221022222022 |
4 | 130112202331031030 |
5 | 444321404032140 |
6 | 21552455505312 |
7 | 2125256341322 |
oct | 342642751514 |
9 | 86517838868 |
10 | 30443033420 |
11 | 11a02331658 |
12 | 5a97388238 |
13 | 2b420c2b57 |
14 | 168b211d12 |
15 | bd298d0b5 |
hex | 7168bd34c |
30443033420 has 12 divisors (see below), whose sum is σ = 63930370224. Its totient is φ = 12177213360.
The previous prime is 30443033363. The next prime is 30443033479. The reversal of 30443033420 is 2433034403.
It is a super-2 number, since 2×304430334202 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30443033420.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 761075816 + ... + 761075855.
It is an arithmetic number, because the mean of its divisors is an integer number (5327530852).
Almost surely, 230443033420 is an apocalyptic number.
It is an amenable number.
30443033420 is an abundant number, since it is smaller than the sum of its proper divisors (33487336804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30443033420 is a wasteful number, since it uses less digits than its factorization.
30443033420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1522151680 (or 1522151678 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 26.
Adding to 30443033420 its reverse (2433034403), we get a palindrome (32876067823).
The spelling of 30443033420 in words is "thirty billion, four hundred forty-three million, thirty-three thousand, four hundred twenty".
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