Base | Representation |
---|---|
bin | 10010101000111000… |
… | …000101100001100010 |
3 | 1220122202021001122120 |
4 | 102220320011201202 |
5 | 311441331103122 |
6 | 13105515045110 |
7 | 1305641630034 |
oct | 225070054142 |
9 | 56582231576 |
10 | 20013144162 |
11 | 853a997470 |
12 | 3a66440796 |
13 | 1b6c32a64b |
14 | d7bd47c54 |
15 | 7c1eb575c |
hex | 4a8e05862 |
20013144162 has 32 divisors (see below), whose sum is σ = 43728332544. Its totient is φ = 6055798800.
The previous prime is 20013144161. The next prime is 20013144167. The reversal of 20013144162 is 26144131002.
It is not an unprimeable number, because it can be changed into a prime (20013144161) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173808 + ... + 265019.
It is an arithmetic number, because the mean of its divisors is an integer number (1366510392).
Almost surely, 220013144162 is an apocalyptic number.
20013144162 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
20013144162 is an abundant number, since it is smaller than the sum of its proper divisors (23715188382).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20013144162 is a wasteful number, since it uses less digits than its factorization.
20013144162 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 439534.
The product of its (nonzero) digits is 1152, while the sum is 24.
Adding to 20013144162 its reverse (26144131002), we get a palindrome (46157275164).
The spelling of 20013144162 in words is "twenty billion, thirteen million, one hundred forty-four thousand, one hundred sixty-two".
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