Base | Representation |
---|---|
bin | 10010101011010100… |
… | …010101010111101110 |
3 | 1220202121100000100100 |
4 | 102223110111113232 |
5 | 312032322303114 |
6 | 13113541011530 |
7 | 1306650032103 |
oct | 225324252756 |
9 | 56677300310 |
10 | 20054103534 |
11 | 8561022893 |
12 | 3a780b3ba6 |
13 | 1b7796ba6a |
14 | d8356aaaa |
15 | 7c58a6909 |
hex | 4ab5155ee |
20054103534 has 24 divisors (see below), whose sum is σ = 43938769680. Its totient is φ = 6609591648.
The previous prime is 20054103523. The next prime is 20054103539. The reversal of 20054103534 is 43530145002.
20054103534 is a `hidden beast` number, since 20 + 0 + 5 + 4 + 103 + 534 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 20054103498 and 20054103507.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20054103539) 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 11 ways as a sum of consecutive naturals, for example, 6257482 + ... + 6260685.
It is an arithmetic number, because the mean of its divisors is an integer number (1830782070).
Almost surely, 220054103534 is an apocalyptic number.
20054103534 is an abundant number, since it is smaller than the sum of its proper divisors (23884666146).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20054103534 is a wasteful number, since it uses less digits than its factorization.
20054103534 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12518264 (or 12518261 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 27.
Adding to 20054103534 its reverse (43530145002), we get a palindrome (63584248536).
The spelling of 20054103534 in words is "twenty billion, fifty-four million, one hundred three thousand, five hundred thirty-four".
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