Base | Representation |
---|---|
bin | 10010101011000000… |
… | …011100000011010000 |
3 | 1220202020112001000000 |
4 | 102223000130003100 |
5 | 312030003404031 |
6 | 13113233130000 |
7 | 1306554510363 |
oct | 225300340320 |
9 | 56666461000 |
10 | 20048888016 |
11 | 8559090343 |
12 | 3a763b9900 |
13 | 1b76863b61 |
14 | d829b00da |
15 | 7c51c63e6 |
hex | 4ab01c0d0 |
20048888016 has 70 divisors (see below), whose sum is σ = 58240472210. Its totient is φ = 6682958784.
The previous prime is 20048888003. The next prime is 20048888017. The reversal of 20048888016 is 61088884002.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 19319888016 + 729000000 = 138996^2 + 27000^2 .
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20048888017) by changing a digit.
It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 847771 + ... + 871098.
Almost surely, 220048888016 is an apocalyptic number.
It is an amenable number.
20048888016 is an abundant number, since it is smaller than the sum of its proper divisors (38191584194).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20048888016 is an equidigital number, since it uses as much as digits as its factorization.
20048888016 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1718895 (or 1718874 counting only the distinct ones).
The product of its (nonzero) digits is 196608, while the sum is 45.
The spelling of 20048888016 in words is "twenty billion, forty-eight million, eight hundred eighty-eight thousand, sixteen".
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