Base | Representation |
---|---|
bin | 10011000100010101… |
… | …101010110110101111 |
3 | 1221211212020001222221 |
4 | 103010111222312233 |
5 | 313412303242304 |
6 | 13223334220211 |
7 | 1323235100065 |
oct | 230425526657 |
9 | 57755201887 |
10 | 20473884079 |
11 | 8756a79160 |
12 | 3b747b4667 |
13 | 1c1391790c |
14 | dc3200035 |
15 | 7ec676054 |
hex | 4c456adaf |
20473884079 has 8 divisors (see below), whose sum is σ = 23306239872. Its totient is φ = 17803377240.
The previous prime is 20473884073. The next prime is 20473884083. The reversal of 20473884079 is 97048837402.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20473884079 - 223 = 20465495471 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20473884073) 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, 40461969 + ... + 40462474.
It is an arithmetic number, because the mean of its divisors is an integer number (2913279984).
Almost surely, 220473884079 is an apocalyptic number.
20473884079 is a deficient number, since it is larger than the sum of its proper divisors (2832355793).
20473884079 is a wasteful number, since it uses less digits than its factorization.
20473884079 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80924477.
The product of its (nonzero) digits is 2709504, while the sum is 52.
The spelling of 20473884079 in words is "twenty billion, four hundred seventy-three million, eight hundred eighty-four thousand, seventy-nine".
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