Base | Representation |
---|---|
bin | 10010101100101000… |
… | …001001111110010011 |
3 | 1220211010200101012110 |
4 | 102230220021332103 |
5 | 312103433430242 |
6 | 13120044000403 |
7 | 1310334560403 |
oct | 225450117623 |
9 | 56733611173 |
10 | 20076076947 |
11 | 8572470833 |
12 | 3a83530103 |
13 | 1b7c393494 |
14 | d8644a803 |
15 | 7c779739c |
hex | 4aca09f93 |
20076076947 has 16 divisors (see below), whose sum is σ = 26821849248. Its totient is φ = 13357205760.
The previous prime is 20076076919. The next prime is 20076076949. The reversal of 20076076947 is 74967067002.
It is a happy number.
It is not a de Polignac number, because 20076076947 - 210 = 20076075923 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20076076896 and 20076076905.
It is not an unprimeable number, because it can be changed into a prime (20076076949) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4990797 + ... + 4994817.
It is an arithmetic number, because the mean of its divisors is an integer number (1676365578).
Almost surely, 220076076947 is an apocalyptic number.
20076076947 is a deficient number, since it is larger than the sum of its proper divisors (6745772301).
20076076947 is a wasteful number, since it uses less digits than its factorization.
20076076947 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6950.
The product of its (nonzero) digits is 889056, while the sum is 48.
The spelling of 20076076947 in words is "twenty billion, seventy-six million, seventy-six thousand, nine hundred forty-seven".
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