Base | Representation |
---|---|
bin | 10010110111000111… |
… | …100001010110000000 |
3 | 1221021101211211001200 |
4 | 102313013201112000 |
5 | 312434012240141 |
6 | 13145332101200 |
7 | 1314602523432 |
oct | 226707412600 |
9 | 57241754050 |
10 | 20252071296 |
11 | 8652847a06 |
12 | 3b12464800 |
13 | 1ba9994052 |
14 | da1980652 |
15 | 7d7e5dab6 |
hex | 4b71e1580 |
20252071296 has 96 divisors (see below), whose sum is σ = 58626968400. Its totient is φ = 6710203392.
The previous prime is 20252071289. The next prime is 20252071327. The reversal of 20252071296 is 69217025202.
It is a happy number.
20252071296 is a `hidden beast` number, since 2 + 0 + 2 + 520 + 7 + 129 + 6 = 666.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 20252071296.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139750 + ... + 245018.
Almost surely, 220252071296 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 20252071296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29313484200).
20252071296 is an abundant number, since it is smaller than the sum of its proper divisors (38374897104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20252071296 is a wasteful number, since it uses less digits than its factorization.
20252071296 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105456 (or 105441 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 36.
Adding to 20252071296 its reverse (69217025202), we get a palindrome (89469096498).
The spelling of 20252071296 in words is "twenty billion, two hundred fifty-two million, seventy-one thousand, two hundred ninety-six".
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