Base | Representation |
---|---|
bin | 1000111110011010100… |
… | …01001010110100110000 |
3 | 1002110222222121210001111 |
4 | 10133031101022310300 |
5 | 20023033421224310 |
6 | 353400521043104 |
7 | 31165051032250 |
oct | 4371521126460 |
9 | 1073888553044 |
10 | 308386508080 |
11 | 109871164a12 |
12 | 4b926026494 |
13 | 2310846b221 |
14 | 10cd6c9b960 |
15 | 804daa528a |
hex | 47cd44ad30 |
308386508080 has 160 divisors (see below), whose sum is σ = 863679542400. Its totient is φ = 100160126976.
The previous prime is 308386508057. The next prime is 308386508107. The reversal of 308386508080 is 80805683803.
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, 681576 + ... + 1039864.
It is an arithmetic number, because the mean of its divisors is an integer number (5397997140).
Almost surely, 2308386508080 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 308386508080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (431839771200).
308386508080 is an abundant number, since it is smaller than the sum of its proper divisors (555293034320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
308386508080 is a wasteful number, since it uses less digits than its factorization.
308386508080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 358391 (or 358385 counting only the distinct ones).
The product of its (nonzero) digits is 1105920, while the sum is 49.
The spelling of 308386508080 in words is "three hundred eight billion, three hundred eighty-six million, five hundred eight thousand, eighty".
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