Base | Representation |
---|---|
bin | 10010101000000110… |
… | …001001111100001111 |
3 | 1220121211122001202211 |
4 | 102220012021330033 |
5 | 311430003230210 |
6 | 13104330331251 |
7 | 1305422443261 |
oct | 225006117417 |
9 | 56554561684 |
10 | 20000055055 |
11 | 8533567422 |
12 | 3a61b89b27 |
13 | 1b696c6a06 |
14 | d7a2dbb31 |
15 | 7c0c7c38a |
hex | 4a8189f0f |
20000055055 has 8 divisors (see below), whose sum is σ = 24393510144. Its totient is φ = 15737748000.
The previous prime is 20000055041. The next prime is 20000055067. The reversal of 20000055055 is 55055000002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20000055055 - 219 = 19999530767 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32786671 + ... + 32787280.
It is an arithmetic number, because the mean of its divisors is an integer number (3049188768).
Almost surely, 220000055055 is an apocalyptic number.
20000055055 is a deficient number, since it is larger than the sum of its proper divisors (4393455089).
20000055055 is an equidigital number, since it uses as much as digits as its factorization.
20000055055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65574017.
The product of its (nonzero) digits is 1250, while the sum is 22.
Adding to 20000055055 its reverse (55055000002), we get a palindrome (75055055057).
The spelling of 20000055055 in words is "twenty billion, fifty-five thousand, fifty-five".
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