Base | Representation |
---|---|
bin | 1001010110001101100110… |
… | …00011001000011100100010 |
3 | 2200202222120001010022222120 |
4 | 10223012303003020130202 |
5 | 10143230424122012200 |
6 | 111414323223245110 |
7 | 4221002515102122 |
oct | 453066303103442 |
9 | 80688501108876 |
10 | 20554422454050 |
11 | 6605099693791 |
12 | 237b7025a9796 |
13 | b61373496934 |
14 | 510ba7292c82 |
15 | 259a037309a0 |
hex | 12b1b30c8722 |
20554422454050 has 48 divisors (see below), whose sum is σ = 51256597409472. Its totient is φ = 5450896555200.
The previous prime is 20554422454043. The next prime is 20554422454121. The reversal of 20554422454050 is 5045422445502.
It is a happy number.
It is a super-2 number, since 2×205544224540502 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20554422453993 and 20554422454011.
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 23 ways as a sum of consecutive naturals, for example, 378507334 + ... + 378561633.
It is an arithmetic number, because the mean of its divisors is an integer number (1067845779364).
Almost surely, 220554422454050 is an apocalyptic number.
20554422454050 is an abundant number, since it is smaller than the sum of its proper divisors (30702174955422).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20554422454050 is a wasteful number, since it uses less digits than its factorization.
20554422454050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 757069163 (or 757069158 counting only the distinct ones).
The product of its (nonzero) digits is 1280000, while the sum is 42.
Adding to 20554422454050 its reverse (5045422445502), we get a palindrome (25599844899552).
The spelling of 20554422454050 in words is "twenty trillion, five hundred fifty-four billion, four hundred twenty-two million, four hundred fifty-four thousand, fifty".
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