Base | Representation |
---|---|
bin | 10011000100010101… |
… | …000101111101110111 |
3 | 1221211211221101201210 |
4 | 103010111011331313 |
5 | 313412233423413 |
6 | 13223331052503 |
7 | 1323233600424 |
oct | 230425057567 |
9 | 57754841653 |
10 | 20473732983 |
11 | 8756985690 |
12 | 3b74741133 |
13 | 1c13893c02 |
14 | dc31a0d4b |
15 | 7ec6463c3 |
hex | 4c4545f77 |
20473732983 has 32 divisors (see below), whose sum is σ = 30191016960. Its totient is φ = 12237413760.
The previous prime is 20473732973. The next prime is 20473732999. The reversal of 20473732983 is 38923737402.
It is not a de Polignac number, because 20473732983 - 26 = 20473732919 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20473732913) 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 31 ways as a sum of consecutive naturals, for example, 2595241 + ... + 2603117.
It is an arithmetic number, because the mean of its divisors is an integer number (943469280).
Almost surely, 220473732983 is an apocalyptic number.
20473732983 is a deficient number, since it is larger than the sum of its proper divisors (9717283977).
20473732983 is a wasteful number, since it uses less digits than its factorization.
20473732983 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8967.
The product of its (nonzero) digits is 1524096, while the sum is 48.
The spelling of 20473732983 in words is "twenty billion, four hundred seventy-three million, seven hundred thirty-two thousand, nine hundred eighty-three".
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