Base | Representation |
---|---|
bin | 10011000000110011… |
… | …100000011100010001 |
3 | 1221200201122222020210 |
4 | 103000303200130101 |
5 | 313302114100011 |
6 | 13213415354333 |
7 | 1321615132110 |
oct | 230063403421 |
9 | 57621588223 |
10 | 20414596881 |
11 | 8726564878 |
12 | 3b589829a9 |
13 | 1c0455a233 |
14 | db93a9c77 |
15 | 7e73646a6 |
hex | 4c0ce0711 |
20414596881 has 16 divisors (see below), whose sum is σ = 31831399424. Its totient is φ = 11394193104.
The previous prime is 20414596871. The next prime is 20414596889. The reversal of 20414596881 is 18869541402.
It is not a de Polignac number, because 20414596881 - 25 = 20414596849 is a prime.
It is a super-2 number, since 2×204145968812 (a number of 21 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 20414596881.
It is not an unprimeable number, because it can be changed into a prime (20414596889) 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, 11302861 + ... + 11304666.
It is an arithmetic number, because the mean of its divisors is an integer number (1989462464).
Almost surely, 220414596881 is an apocalyptic number.
20414596881 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
20414596881 is a deficient number, since it is larger than the sum of its proper divisors (11416802543).
20414596881 is a wasteful number, since it uses less digits than its factorization.
20414596881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22607580.
The product of its (nonzero) digits is 552960, while the sum is 48.
The spelling of 20414596881 in words is "twenty billion, four hundred fourteen million, five hundred ninety-six thousand, eight hundred eighty-one".
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