Base | Representation |
---|---|
bin | 11100010110100100… |
… | …001000110011000000 |
3 | 2220120122112001200201 |
4 | 130112210020303000 |
5 | 444321443434130 |
6 | 21552510254544 |
7 | 2125262101105 |
oct | 342644106300 |
9 | 86518461621 |
10 | 30443343040 |
11 | 11a02523240 |
12 | 5a974b7454 |
13 | 2b421a0a66 |
14 | 168b292aac |
15 | bd29eebca |
hex | 716908cc0 |
30443343040 has 56 divisors (see below), whose sum is σ = 79083511632. Its totient is φ = 11070305280.
The previous prime is 30443343023. The next prime is 30443343149. The reversal of 30443343040 is 4034334403.
It is a happy number.
It is a super-2 number, since 2×304433430402 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4320819 + ... + 4327858.
Almost surely, 230443343040 is an apocalyptic number.
It is an amenable number.
30443343040 is an abundant number, since it is smaller than the sum of its proper divisors (48640168592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30443343040 is a wasteful number, since it uses less digits than its factorization.
30443343040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8648705 (or 8648695 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 28.
Adding to 30443343040 its reverse (4034334403), we get a palindrome (34477677443).
The spelling of 30443343040 in words is "thirty billion, four hundred forty-three million, three hundred forty-three thousand, forty".
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