Base | Representation |
---|---|
bin | 11100100011000101… |
… | …100110110010100100 |
3 | 2221010021212020222110 |
4 | 130203011212302210 |
5 | 1000234240140421 |
6 | 22025413401020 |
7 | 2133422653113 |
oct | 344305466244 |
9 | 87107766873 |
10 | 30653443236 |
11 | 12000084669 |
12 | 5b35939170 |
13 | 2b768833c0 |
14 | 16ab143c7a |
15 | be61a1a76 |
hex | 723166ca4 |
30653443236 has 96 divisors (see below), whose sum is σ = 79752274560. Its totient is φ = 9098643456.
The previous prime is 30653443201. The next prime is 30653443277. The reversal of 30653443236 is 63234435603.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a junction number, because it is equal to n+sod(n) for n = 30653443194 and 30653443203.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7023591 + ... + 7027953.
It is an arithmetic number, because the mean of its divisors is an integer number (830752860).
Almost surely, 230653443236 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30653443236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39876137280).
30653443236 is an abundant number, since it is smaller than the sum of its proper divisors (49098831324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30653443236 is a wasteful number, since it uses less digits than its factorization.
30653443236 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5965 (or 5963 counting only the distinct ones).
The product of its (nonzero) digits is 466560, while the sum is 39.
Adding to 30653443236 its reverse (63234435603), we get a palindrome (93887878839).
The spelling of 30653443236 in words is "thirty billion, six hundred fifty-three million, four hundred forty-three thousand, two hundred thirty-six".
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