Base | Representation |
---|---|
bin | 11100100000101001… |
… | …010110101001001110 |
3 | 2221000102210020121021 |
4 | 130200221112221032 |
5 | 1000143243421023 |
6 | 22021351424354 |
7 | 2132414544343 |
oct | 344051265116 |
9 | 87012706537 |
10 | 30612482638 |
11 | 11a89a48331 |
12 | 5b240850ba |
13 | 2b6b24156a |
14 | 16a59207ca |
15 | be27b035d |
hex | 720a56a4e |
30612482638 has 48 divisors (see below), whose sum is σ = 49649223456. Its totient is φ = 14119902720.
The previous prime is 30612482611. The next prime is 30612482653. The reversal of 30612482638 is 83628421603.
It is a junction number, because it is equal to n+sod(n) for n = 30612482594 and 30612482603.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80771533 + ... + 80771911.
It is an arithmetic number, because the mean of its divisors is an integer number (1034358822).
Almost surely, 230612482638 is an apocalyptic number.
30612482638 is a deficient number, since it is larger than the sum of its proper divisors (19036740818).
30612482638 is a wasteful number, since it uses less digits than its factorization.
30612482638 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 937 (or 558 counting only the distinct ones).
The product of its (nonzero) digits is 331776, while the sum is 43.
The spelling of 30612482638 in words is "thirty billion, six hundred twelve million, four hundred eighty-two thousand, six hundred thirty-eight".
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