Base | Representation |
---|---|
bin | 1101101001101110101011… |
… | …01011010000110111100000 |
3 | 10221021222201212100221020001 |
4 | 12310313111223100313200 |
5 | 12413331213444220112 |
6 | 143503301432025344 |
7 | 6215645060554210 |
oct | 664672553206740 |
9 | 127258655327201 |
10 | 30021111320032 |
11 | 9624977767288 |
12 | 344a361532254 |
13 | 1399c9512c1b1 |
14 | 75b05b0ba240 |
15 | 370db83b4c57 |
hex | 1b4dd5ad0de0 |
30021111320032 has 96 divisors (see below), whose sum is σ = 71104977377280. Its totient is φ = 12188620592640.
The previous prime is 30021111319987. The next prime is 30021111320071. The reversal of 30021111320032 is 23002311112003.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a junction number, because it is equal to n+sod(n) for n = 30021111319991 and 30021111320009.
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, 152423857 + ... + 152620687.
It is an arithmetic number, because the mean of its divisors is an integer number (740676847680).
Almost surely, 230021111320032 is an apocalyptic number.
30021111320032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
30021111320032 is an abundant number, since it is smaller than the sum of its proper divisors (41083866057248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30021111320032 is a wasteful number, since it uses less digits than its factorization.
30021111320032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 232704 (or 232696 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 30021111320032 its reverse (23002311112003), we get a palindrome (53023422432035).
The spelling of 30021111320032 in words is "thirty trillion, twenty-one billion, one hundred eleven million, three hundred twenty thousand, thirty-two".
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