Base | Representation |
---|---|
bin | 10010101100101001… |
… | …000001110100101010 |
3 | 1220211011010000000000 |
4 | 102230221001310222 |
5 | 312104013240311 |
6 | 13120052523430 |
7 | 1310336532342 |
oct | 225451016452 |
9 | 56734100000 |
10 | 20076305706 |
11 | 8572607696 |
12 | 3a83620576 |
13 | 1b7c443642 |
14 | d864a9d22 |
15 | 7c77e0056 |
hex | 4aca41d2a |
20076305706 has 88 divisors (see below), whose sum is σ = 45533607840. Its totient is φ = 6638524776.
The previous prime is 20076305701. The next prime is 20076305723. The reversal of 20076305706 is 60750367002.
It is a happy number.
20076305706 is a `hidden beast` number, since 20 + 0 + 7 + 63 + 0 + 570 + 6 = 666.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (20076305701) by changing a digit.
It is a polite number, since it can be written in 43 ways as a sum of consecutive naturals, for example, 16415011 + ... + 16416233.
Almost surely, 220076305706 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20076305706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22766803920).
20076305706 is an abundant number, since it is smaller than the sum of its proper divisors (25457302134).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20076305706 is an equidigital number, since it uses as much as digits as its factorization.
20076305706 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1394 (or 1367 counting only the distinct ones).
The product of its (nonzero) digits is 52920, while the sum is 36.
The spelling of 20076305706 in words is "twenty billion, seventy-six million, three hundred five thousand, seven hundred six".
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