Base | Representation |
---|---|
bin | 1011110000111010110… |
… | …1010000111111101110 |
3 | 201022200102000110110110 |
4 | 2330032231100333232 |
5 | 11302410203210110 |
6 | 232503111120450 |
7 | 20413323303561 |
oct | 2741655207756 |
9 | 638612013413 |
10 | 202110210030 |
11 | 78794a43233 |
12 | 33206373126 |
13 | 1609c573371 |
14 | 9ad44684d8 |
15 | 53cd856a20 |
hex | 2f0eb50fee |
202110210030 has 64 divisors (see below), whose sum is σ = 488056803840. Its totient is φ = 53563821696.
The previous prime is 202110210013. The next prime is 202110210037. The reversal of 202110210030 is 30012011202.
It is a junction number, because it is equal to n+sod(n) for n = 202110209988 and 202110210015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202110210037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17240511 + ... + 17252229.
It is an arithmetic number, because the mean of its divisors is an integer number (7625887560).
Almost surely, 2202110210030 is an apocalyptic number.
202110210030 is an abundant number, since it is smaller than the sum of its proper divisors (285946593810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202110210030 is a wasteful number, since it uses less digits than its factorization.
202110210030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15225.
The product of its (nonzero) digits is 24, while the sum is 12.
Adding to 202110210030 its reverse (30012011202), we get a palindrome (232122221232).
The spelling of 202110210030 in words is "two hundred two billion, one hundred ten million, two hundred ten thousand, thirty".
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