Base | Representation |
---|---|
bin | 1000111100000100111… |
… | …10011001100001100000 |
3 | 1002100202112110011100010 |
4 | 10132002132121201200 |
5 | 20013001202404320 |
6 | 353032213524520 |
7 | 31122003150642 |
oct | 4360236314140 |
9 | 1070675404303 |
10 | 307131684960 |
11 | 109287913811 |
12 | 4b635943740 |
13 | 22c684c0239 |
14 | 10c1837a892 |
15 | 7ec883aae0 |
hex | 4782799860 |
307131684960 has 192 divisors, whose sum is σ = 1010135992320. Its totient is φ = 78293698560.
The previous prime is 307131684931. The next prime is 307131684971. The reversal of 307131684960 is 69486131703.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (48).
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, 20648406 + ... + 20663274.
It is an arithmetic number, because the mean of its divisors is an integer number (5261124960).
Almost surely, 2307131684960 is an apocalyptic number.
307131684960 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 307131684960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (505067996160).
307131684960 is an abundant number, since it is smaller than the sum of its proper divisors (703004307360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
307131684960 is a wasteful number, since it uses less digits than its factorization.
307131684960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16781 (or 16773 counting only the distinct ones).
The product of its (nonzero) digits is 653184, while the sum is 48.
The spelling of 307131684960 in words is "three hundred seven billion, one hundred thirty-one million, six hundred eighty-four thousand, nine hundred sixty".
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