Base | Representation |
---|---|
bin | 10010101100001011… |
… | …001001101110011111 |
3 | 1220210121101002120220 |
4 | 102230023021232133 |
5 | 312100012130014 |
6 | 13115213012423 |
7 | 1310213132565 |
oct | 225413115637 |
9 | 56717332526 |
10 | 20068473759 |
11 | 8569148404 |
12 | 3a80a84113 |
13 | 1b7a930859 |
14 | d8542ba35 |
15 | 7c6c946a9 |
hex | 4ac2c9b9f |
20068473759 has 8 divisors (see below), whose sum is σ = 28166279040. Its totient is φ = 12674825496.
The previous prime is 20068473743. The next prime is 20068473781. The reversal of 20068473759 is 95737486002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20068473759 - 24 = 20068473743 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20068473559) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176039187 + ... + 176039300.
It is an arithmetic number, because the mean of its divisors is an integer number (3520784880).
Almost surely, 220068473759 is an apocalyptic number.
20068473759 is a deficient number, since it is larger than the sum of its proper divisors (8097805281).
20068473759 is a wasteful number, since it uses less digits than its factorization.
20068473759 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 352078509.
The product of its (nonzero) digits is 2540160, while the sum is 51.
The spelling of 20068473759 in words is "twenty billion, sixty-eight million, four hundred seventy-three thousand, seven hundred fifty-nine".
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