Base | Representation |
---|---|
bin | 11100001111110101… |
… | …000101010011000110 |
3 | 2220021202220011001000 |
4 | 130033311011103012 |
5 | 444104032012041 |
6 | 21533352314130 |
7 | 2122420450530 |
oct | 341765052306 |
9 | 86252804030 |
10 | 30330344646 |
11 | 11954763938 |
12 | 5a656a2946 |
13 | 2b249589c4 |
14 | 167a27a850 |
15 | bc7b2dbb6 |
hex | 70fd454c6 |
30330344646 has 32 divisors (see below), whose sum is σ = 77029447680. Its totient is φ = 8665812648.
The previous prime is 30330344617. The next prime is 30330344659. The reversal of 30330344646 is 64644303303.
30330344646 is a `hidden beast` number, since 3 + 0 + 3 + 3 + 0 + 3 + 4 + 4 + 646 = 666.
It is a self number, because there is not a number n which added to its sum of digits gives 30330344646.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40119126 + ... + 40119881.
It is an arithmetic number, because the mean of its divisors is an integer number (2407170240).
Almost surely, 230330344646 is an apocalyptic number.
30330344646 is an abundant number, since it is smaller than the sum of its proper divisors (46699103034).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30330344646 is a wasteful number, since it uses less digits than its factorization.
30330344646 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80239025 (or 80239019 counting only the distinct ones).
The product of its (nonzero) digits is 186624, while the sum is 36.
Adding to 30330344646 its reverse (64644303303), we get a palindrome (94974647949).
The spelling of 30330344646 in words is "thirty billion, three hundred thirty million, three hundred forty-four thousand, six hundred forty-six".
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