Base | Representation |
---|---|
bin | 1011110000111111110… |
… | …1000010000001100110 |
3 | 201022201212100210212022 |
4 | 2330033331002001212 |
5 | 11302431031321410 |
6 | 232505135223142 |
7 | 20413666113344 |
oct | 2741775020146 |
9 | 638655323768 |
10 | 202131120230 |
11 | 787a5825396 |
12 | 33211377ab2 |
13 | 160a39b4b70 |
14 | 9ad714c994 |
15 | 53d05d7455 |
hex | 2f0ff42066 |
202131120230 has 64 divisors (see below), whose sum is σ = 396900399168. Its totient is φ = 73670983680.
The previous prime is 202131120229. The next prime is 202131120253. The reversal of 202131120230 is 32021131202.
202131120230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 202131120199 and 202131120208.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3882854 + ... + 3934566.
It is an arithmetic number, because the mean of its divisors is an integer number (6201568737).
Almost surely, 2202131120230 is an apocalyptic number.
202131120230 is a deficient number, since it is larger than the sum of its proper divisors (194769278938).
202131120230 is a wasteful number, since it uses less digits than its factorization.
202131120230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52121.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 202131120230 its reverse (32021131202), we get a palindrome (234152251432).
The spelling of 202131120230 in words is "two hundred two billion, one hundred thirty-one million, one hundred twenty thousand, two hundred thirty".
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