Base | Representation |
---|---|
bin | 10011001000111000… |
… | …000011000111010010 |
3 | 1222001011110102112210 |
4 | 103020320003013102 |
5 | 314041300131302 |
6 | 13235053532550 |
7 | 1325151106416 |
oct | 231070030722 |
9 | 58034412483 |
10 | 20550005202 |
11 | 8795a40081 |
12 | 3b961a4156 |
13 | 1c2661a5bc |
14 | dcd376d46 |
15 | 8041b066c |
hex | 4c8e031d2 |
20550005202 has 32 divisors (see below), whose sum is σ = 42494184000. Its totient is φ = 6620125248.
The previous prime is 20550005173. The next prime is 20550005209. The reversal of 20550005202 is 20250005502.
It is not an unprimeable number, because it can be changed into a prime (20550005209) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277552 + ... + 343707.
It is an arithmetic number, because the mean of its divisors is an integer number (1327943250).
Almost surely, 220550005202 is an apocalyptic number.
20550005202 is an abundant number, since it is smaller than the sum of its proper divisors (21944178798).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20550005202 is a wasteful number, since it uses less digits than its factorization.
20550005202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 621450.
The product of its (nonzero) digits is 1000, while the sum is 21.
The spelling of 20550005202 in words is "twenty billion, five hundred fifty million, five thousand, two hundred two".
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