Base | Representation |
---|---|
bin | 11001000010111… |
… | …10001111001001 |
3 | 112122100020122200 |
4 | 30201132033021 |
5 | 412241214233 |
6 | 32503110413 |
7 | 5130554631 |
oct | 1441361711 |
9 | 478306580 |
10 | 210101193 |
11 | a8662155 |
12 | 5a442409 |
13 | 346b2c43 |
14 | 1dc916c1 |
15 | 136a2313 |
hex | c85e3c9 |
210101193 has 6 divisors (see below), whose sum is σ = 303479514. Its totient is φ = 140067456.
The previous prime is 210101189. The next prime is 210101273. The reversal of 210101193 is 391101012.
210101193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 113806224 + 96294969 = 10668^2 + 9813^2 .
It is not a de Polignac number, because 210101193 - 22 = 210101189 is a prime.
It is a super-2 number, since 2×2101011932 = 88285022600046498, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (210101123) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11672280 + ... + 11672297.
It is an arithmetic number, because the mean of its divisors is an integer number (50579919).
Almost surely, 2210101193 is an apocalyptic number.
It is an amenable number.
210101193 is a deficient number, since it is larger than the sum of its proper divisors (93378321).
210101193 is a wasteful number, since it uses less digits than its factorization.
210101193 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23344583 (or 23344580 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 18.
The square root of 210101193 is about 14494.8678158857. The cubic root of 210101193 is about 594.4876534839.
The spelling of 210101193 in words is "two hundred ten million, one hundred one thousand, one hundred ninety-three".
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