Base | Representation |
---|---|
bin | 11100010001100001… |
… | …101101101101011100 |
3 | 2220100202110221020121 |
4 | 130101201231231130 |
5 | 444133324243344 |
6 | 21540250524324 |
7 | 2123214504220 |
oct | 342141555534 |
9 | 86322427217 |
10 | 30358821724 |
11 | 11969844110 |
12 | 5a731366a4 |
13 | 2b2a81974a |
14 | 167dd70780 |
15 | bca3a6684 |
hex | 71186db5c |
30358821724 has 48 divisors (see below), whose sum is σ = 66607591680. Its totient is φ = 11762012160.
The previous prime is 30358821683. The next prime is 30358821749. The reversal of 30358821724 is 42712885303.
It is a super-2 number, since 2×303588217242 (a number of 22 digits) contains 22 as substring.
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, 220197 + ... + 330460.
It is an arithmetic number, because the mean of its divisors is an integer number (1387658160).
Almost surely, 230358821724 is an apocalyptic number.
It is an amenable number.
30358821724 is an abundant number, since it is smaller than the sum of its proper divisors (36248769956).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30358821724 is a wasteful number, since it uses less digits than its factorization.
30358821724 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 550858 (or 550856 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 43.
The spelling of 30358821724 in words is "thirty billion, three hundred fifty-eight million, eight hundred twenty-one thousand, seven hundred twenty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •