Base | Representation |
---|---|
bin | 10010101011010100… |
… | …001100010110001111 |
3 | 1220202121021010122111 |
4 | 102223110030112033 |
5 | 312032320112300 |
6 | 13113540124451 |
7 | 1306646516254 |
oct | 225324142617 |
9 | 56677233574 |
10 | 20054066575 |
11 | 8560aa8044 |
12 | 3a78096727 |
13 | 1b77957caa |
14 | d8355b42b |
15 | 7c589a9ba |
hex | 4ab50c58f |
20054066575 has 24 divisors (see below), whose sum is σ = 26972023680. Its totient is φ = 14731238400.
The previous prime is 20054066567. The next prime is 20054066579. The reversal of 20054066575 is 57566045002.
It is not a de Polignac number, because 20054066575 - 23 = 20054066567 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20054066579) 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 23 ways as a sum of consecutive naturals, for example, 558015 + ... + 592864.
It is an arithmetic number, because the mean of its divisors is an integer number (1123834320).
Almost surely, 220054066575 is an apocalyptic number.
20054066575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
20054066575 is a deficient number, since it is larger than the sum of its proper divisors (6917957105).
20054066575 is a wasteful number, since it uses less digits than its factorization.
20054066575 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1150947 (or 1150942 counting only the distinct ones).
The product of its (nonzero) digits is 252000, while the sum is 40.
The spelling of 20054066575 in words is "twenty billion, fifty-four million, sixty-six thousand, five hundred seventy-five".
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