Base | Representation |
---|---|
bin | 10010111001000000… |
… | …101001001010100100 |
3 | 1221100121120221212200 |
4 | 102321000221022210 |
5 | 313020124312011 |
6 | 13152424414500 |
7 | 1315436435331 |
oct | 227100511244 |
9 | 57317527780 |
10 | 20283822756 |
11 | 866976428a |
12 | 3b21017430 |
13 | 1bb34302b2 |
14 | da5c87988 |
15 | 7dab31856 |
hex | 4b90292a4 |
20283822756 has 72 divisors (see below), whose sum is σ = 53066777400. Its totient is φ = 6524958720.
The previous prime is 20283822749. The next prime is 20283822809. The reversal of 20283822756 is 65722838202.
It is a happy number.
20283822756 is a `hidden beast` number, since 20 + 283 + 82 + 275 + 6 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 2501600256 + 17782222500 = 50016^2 + 133350^2 .
It is a super-2 number, since 2×202838227562 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3171610 + ... + 3177998.
It is an arithmetic number, because the mean of its divisors is an integer number (737038575).
Almost surely, 220283822756 is an apocalyptic number.
It is an amenable number.
20283822756 is an abundant number, since it is smaller than the sum of its proper divisors (32782954644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20283822756 is a wasteful number, since it uses less digits than its factorization.
20283822756 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9469 (or 9464 counting only the distinct ones).
The product of its (nonzero) digits is 645120, while the sum is 45.
The spelling of 20283822756 in words is "twenty billion, two hundred eighty-three million, eight hundred twenty-two thousand, seven hundred fifty-six".
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