Base | Representation |
---|---|
bin | 1001000110011101010110… |
… | …01010000001000001011110 |
3 | 2121212020101000212222212010 |
4 | 10203032223022001001132 |
5 | 10110343334241133010 |
6 | 110321522522252050 |
7 | 4133620605402525 |
oct | 443165312010136 |
9 | 77766330788763 |
10 | 20013124161630 |
11 | 6416577936a06 |
12 | 22b2816957026 |
13 | b222ca308952 |
14 | 4d28d72a74bc |
15 | 24a8c2161620 |
hex | 1233ab28105e |
20013124161630 has 32 divisors (see below), whose sum is σ = 48036230419968. Its totient is φ = 5336307284000.
The previous prime is 20013124161629. The next prime is 20013124161659. The reversal of 20013124161630 is 3616142131002.
It is a super-3 number, since 3×200131241616303 (a number of 41 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 32554506 + ... + 33163565.
It is an arithmetic number, because the mean of its divisors is an integer number (1501132200624).
Almost surely, 220013124161630 is an apocalyptic number.
20013124161630 is an abundant number, since it is smaller than the sum of its proper divisors (28023106258338).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20013124161630 is a wasteful number, since it uses less digits than its factorization.
20013124161630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65728232.
The product of its (nonzero) digits is 5184, while the sum is 30.
Adding to 20013124161630 its reverse (3616142131002), we get a palindrome (23629266292632).
The spelling of 20013124161630 in words is "twenty trillion, thirteen billion, one hundred twenty-four million, one hundred sixty-one thousand, six hundred thirty".
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