Base | Representation |
---|---|
bin | 10010101010010111… |
… | …101111000111011010 |
3 | 1220201111102221202201 |
4 | 102222113233013122 |
5 | 312014240440302 |
6 | 13112212320414 |
7 | 1306365021142 |
oct | 225227570732 |
9 | 56644387681 |
10 | 20038218202 |
11 | 8553062a12 |
12 | 3a7291310a |
13 | 1b74599462 |
14 | d813d3922 |
15 | 7c42b9c87 |
hex | 4aa5ef1da |
20038218202 has 16 divisors (see below), whose sum is σ = 30328552800. Its totient is φ = 9929053872.
The previous prime is 20038218199. The next prime is 20038218209. The reversal of 20038218202 is 20281283002.
It is a super-2 number, since 2×200382182022 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (20038218209) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25713 + ... + 201835.
It is an arithmetic number, because the mean of its divisors is an integer number (1895534550).
Almost surely, 220038218202 is an apocalyptic number.
20038218202 is a deficient number, since it is larger than the sum of its proper divisors (10290334598).
20038218202 is a wasteful number, since it uses less digits than its factorization.
20038218202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 176637.
The product of its (nonzero) digits is 3072, while the sum is 28.
The spelling of 20038218202 in words is "twenty billion, thirty-eight million, two hundred eighteen thousand, two hundred two".
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