Base | Representation |
---|---|
bin | 1001001001110111011011… |
… | …00100001000001101010010 |
3 | 2122021102120102021202101110 |
4 | 10210323231210020031102 |
5 | 10114303123304420200 |
6 | 110451404243514150 |
7 | 4145234116233102 |
oct | 444735544101522 |
9 | 78242512252343 |
10 | 20130202420050 |
11 | 6461197522368 |
12 | 2311450088956 |
13 | b303680ac238 |
14 | 4d8442579202 |
15 | 24d975880b50 |
hex | 124eed908352 |
20130202420050 has 48 divisors (see below), whose sum is σ = 50985091423872. Its totient is φ = 5253840062400.
The previous prime is 20130202419983. The next prime is 20130202420051. The reversal of 20130202420050 is 5002420203102.
It is a junction number, because it is equal to n+sod(n) for n = 20130202419999 and 20130202420026.
It is not an unprimeable number, because it can be changed into a prime (20130202420051) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1427666881 + ... + 1427680980.
It is an arithmetic number, because the mean of its divisors is an integer number (1062189404664).
Almost surely, 220130202420050 is an apocalyptic number.
20130202420050 is an abundant number, since it is smaller than the sum of its proper divisors (30854889003822).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20130202420050 is a wasteful number, since it uses less digits than its factorization.
20130202420050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2855347923 (or 2855347918 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 21.
Adding to 20130202420050 its reverse (5002420203102), we get a palindrome (25132622623152).
The spelling of 20130202420050 in words is "twenty trillion, one hundred thirty billion, two hundred two million, four hundred twenty thousand, fifty".
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