Base | Representation |
---|---|
bin | 1100001111011011111… |
… | …0100000011101011111 |
3 | 202002211022100002010221 |
4 | 3003312332200131133 |
5 | 11421144303324411 |
6 | 240340021542211 |
7 | 21123323413114 |
oct | 3036676403537 |
9 | 662738302127 |
10 | 210302011231 |
11 | 81209003774 |
12 | 34911874967 |
13 | 16aa675ca00 |
14 | a2703bc90b |
15 | 570cadc071 |
hex | 30f6fa075f |
210302011231 has 24 divisors (see below), whose sum is σ = 243506631024. Its totient is φ = 180896601600.
The previous prime is 210302011229. The next prime is 210302011253. The reversal of 210302011231 is 132110203012.
It is not a de Polignac number, because 210302011231 - 21 = 210302011229 is a prime.
It is a super-2 number, since 2×2103020112312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (210302011211) 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 23 ways as a sum of consecutive naturals, for example, 72201 + ... + 652546.
It is an arithmetic number, because the mean of its divisors is an integer number (10146109626).
Almost surely, 2210302011231 is an apocalyptic number.
210302011231 is a deficient number, since it is larger than the sum of its proper divisors (33204619793).
210302011231 is a wasteful number, since it uses less digits than its factorization.
210302011231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 724891 (or 724878 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 210302011231 its reverse (132110203012), we get a palindrome (342412214243).
The spelling of 210302011231 in words is "two hundred ten billion, three hundred two million, eleven thousand, two hundred thirty-one".
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