Base | Representation |
---|---|
bin | 11000001010010100001110… |
… | …00011001010011110011100 |
3 | 20222010021102112010022201120 |
4 | 30011022013003022132130 |
5 | 23430444302332030040 |
6 | 305000014413410540 |
7 | 14122405662512160 |
oct | 1405120703123634 |
9 | 228107375108646 |
10 | 53131011205020 |
11 | 15a2480a780221 |
12 | 5b61190199a50 |
13 | 2385304788a68 |
14 | d197a9dd2ca0 |
15 | 6220d5dad7d0 |
hex | 3052870ca79c |
53131011205020 has 96 divisors (see below), whose sum is σ = 170052573282816. Its totient is φ = 12141849888000.
The previous prime is 53131011204983. The next prime is 53131011205073. The reversal of 53131011205020 is 2050211013135.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10257346 + ... + 14542185.
It is an arithmetic number, because the mean of its divisors is an integer number (1771380971696).
Almost surely, 253131011205020 is an apocalyptic number.
It is an amenable number.
53131011205020 is an abundant number, since it is smaller than the sum of its proper divisors (116921562077796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53131011205020 is a wasteful number, since it uses less digits than its factorization.
53131011205020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24804651 (or 24804649 counting only the distinct ones).
The product of its (nonzero) digits is 900, while the sum is 24.
Adding to 53131011205020 its reverse (2050211013135), we get a palindrome (55181222218155).
The spelling of 53131011205020 in words is "fifty-three trillion, one hundred thirty-one billion, eleven million, two hundred five thousand, twenty".
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