Base | Representation |
---|---|
bin | 11100100110010010… |
… | …111101111101011100 |
3 | 2221021001011022221000 |
4 | 130212102331331130 |
5 | 1000342030341120 |
6 | 22035015310300 |
7 | 2134645360563 |
oct | 344622757534 |
9 | 87231138830 |
10 | 30707277660 |
11 | 12028504224 |
12 | 5b4b97b390 |
13 | 2b84a81ba7 |
14 | 16b4358bda |
15 | beac87990 |
hex | 7264bdf5c |
30707277660 has 96 divisors (see below), whose sum is σ = 96379375680. Its totient is φ = 8116125696.
The previous prime is 30707277637. The next prime is 30707277673. The reversal of 30707277660 is 6677270703.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
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, 190597 + ... + 312636.
It is an arithmetic number, because the mean of its divisors is an integer number (1003951830).
Almost surely, 230707277660 is an apocalyptic number.
30707277660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30707277660 is an abundant number, since it is smaller than the sum of its proper divisors (65672098020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30707277660 is a wasteful number, since it uses less digits than its factorization.
30707277660 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 503364 (or 503356 counting only the distinct ones).
The product of its (nonzero) digits is 518616, while the sum is 45.
The spelling of 30707277660 in words is "thirty billion, seven hundred seven million, two hundred seventy-seven thousand, six hundred sixty".
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