Base | Representation |
---|---|
bin | 101101101101001111011001… |
… | …011110111110100101011110 |
3 | 222100202102100100011002122201 |
4 | 231231033121132332211132 |
5 | 202322012003300144410 |
6 | 1551311435102002114 |
7 | 60225200565612352 |
oct | 5555173136764536 |
9 | 870672310132581 |
10 | 201021003131230 |
11 | 5906258a72a637 |
12 | 1a66727327633a |
13 | 88222789c7809 |
14 | 378d67b677462 |
15 | 183903e67083a |
hex | b6d3d97be95e |
201021003131230 has 32 divisors (see below), whose sum is σ = 361916975916000. Its totient is φ = 80390808916992.
The previous prime is 201021003131183. The next prime is 201021003131233. The reversal of 201021003131230 is 32131300120102.
It is a junction number, because it is equal to n+sod(n) for n = 201021003131198 and 201021003131207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201021003131233) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2461973446 + ... + 2462055094.
It is an arithmetic number, because the mean of its divisors is an integer number (11309905497375).
Almost surely, 2201021003131230 is an apocalyptic number.
201021003131230 is a deficient number, since it is larger than the sum of its proper divisors (160895972784770).
201021003131230 is a wasteful number, since it uses less digits than its factorization.
201021003131230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 132508.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 201021003131230 its reverse (32131300120102), we get a palindrome (233152303251332).
The spelling of 201021003131230 in words is "two hundred one trillion, twenty-one billion, three million, one hundred thirty-one thousand, two hundred thirty".
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