Base | Representation |
---|---|
bin | 11100101000011010… |
… | …111100101000011100 |
3 | 2221100112020100020120 |
4 | 130220122330220130 |
5 | 1000430142030204 |
6 | 22042331314540 |
7 | 2135560353315 |
oct | 345032745034 |
9 | 87315210216 |
10 | 30742923804 |
11 | 1204664074a |
12 | 5b5b8aba50 |
13 | 2b8c282a98 |
14 | 16b8d9760c |
15 | bede796d9 |
hex | 7286bca1c |
30742923804 has 24 divisors (see below), whose sum is σ = 71760005520. Its totient is φ = 10243853184.
The previous prime is 30742923793. The next prime is 30742923829. The reversal of 30742923804 is 40832924703.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439599 + ... + 504710.
It is an arithmetic number, because the mean of its divisors is an integer number (2990000230).
Almost surely, 230742923804 is an apocalyptic number.
It is an amenable number.
30742923804 is an abundant number, since it is smaller than the sum of its proper divisors (41017081716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30742923804 is a wasteful number, since it uses less digits than its factorization.
30742923804 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 947029 (or 947027 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 42.
The spelling of 30742923804 in words is "thirty billion, seven hundred forty-two million, nine hundred twenty-three thousand, eight hundred four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •