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201021003131230 = 2554194543381649
BaseRepresentation
bin101101101101001111011001…
…011110111110100101011110
3222100202102100100011002122201
4231231033121132332211132
5202322012003300144410
61551311435102002114
760225200565612352
oct5555173136764536
9870672310132581
10201021003131230
115906258a72a637
121a66727327633a
1388222789c7809
14378d67b677462
15183903e67083a
hexb6d3d97be95e

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".

Divisors: 1 2 5 10 5419 10838 27095 45433 54190 81649 90866 163298 227165 408245 454330 816490 246201427 442455931 492402854 884911862 1231007135 2212279655 2462014270 3709559017 4424559310 7419118034 18547795085 37095590170 20102100313123 40204200626246 100510501565615 201021003131230