Base | Representation |
---|---|
bin | 1001010101010101010110… |
… | …00110011111010011100000 |
3 | 2200200002121111001110111210 |
4 | 10222222223012133103200 |
5 | 10142232102413022222 |
6 | 111352410513110120 |
7 | 4215553261313562 |
oct | 452525306372340 |
9 | 80602544043453 |
10 | 20524224345312 |
11 | 65a3302639726 |
12 | 2375895258340 |
13 | b5b57005a33c |
14 | 50d5407d9332 |
15 | 258d37522d0c |
hex | 12aaab19f4e0 |
20524224345312 has 96 divisors (see below), whose sum is σ = 54278000985600. Its totient is φ = 6790503749120.
The previous prime is 20524224345301. The next prime is 20524224345377. The reversal of 20524224345312 is 21354342242502.
It is a tau number, because it is divible by the number of its divisors (96).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8916637 + ... + 10979747.
It is an arithmetic number, because the mean of its divisors is an integer number (565395843600).
Almost surely, 220524224345312 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20524224345312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27139000492800).
20524224345312 is an abundant number, since it is smaller than the sum of its proper divisors (33753776640288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20524224345312 is a wasteful number, since it uses less digits than its factorization.
20524224345312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2063896 (or 2063888 counting only the distinct ones).
The product of its (nonzero) digits is 460800, while the sum is 39.
Adding to 20524224345312 its reverse (21354342242502), we get a palindrome (41878566587814).
The spelling of 20524224345312 in words is "twenty trillion, five hundred twenty-four billion, two hundred twenty-four million, three hundred forty-five thousand, three hundred twelve".
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