Base | Representation |
---|---|
bin | 1010001010111110… |
… | …0110100111011010 |
3 | 21001021201002002220 |
4 | 2202233212213122 |
5 | 21042434403210 |
6 | 1130533404510 |
7 | 124442625444 |
oct | 24257464732 |
9 | 7037632086 |
10 | 2730387930 |
11 | 1181261956 |
12 | 642499736 |
13 | 34689617a |
14 | 1bc8a3494 |
15 | 10ea88c70 |
hex | a2be69da |
2730387930 has 64 divisors (see below), whose sum is σ = 6784293888. Its totient is φ = 702535680.
The previous prime is 2730387917. The next prime is 2730387971. The reversal of 2730387930 is 397830372.
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, 324132 + ... + 332448.
It is an arithmetic number, because the mean of its divisors is an integer number (106004592).
Almost surely, 22730387930 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2730387930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3392146944).
2730387930 is an abundant number, since it is smaller than the sum of its proper divisors (4053905958).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2730387930 is a wasteful number, since it uses less digits than its factorization.
2730387930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8711.
The product of its (nonzero) digits is 190512, while the sum is 42.
The square root of 2730387930 is about 52253.1140698810. The cubic root of 2730387930 is about 1397.6811835796.
The spelling of 2730387930 in words is "two billion, seven hundred thirty million, three hundred eighty-seven thousand, nine hundred thirty".
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