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20233210120213 = 2912171135350497
BaseRepresentation
bin1001001100110111010010…
…10011010100100000010101
32122122021110012110002121111
410212123221103110200111
510123000103242321323
6111011001452215021
74155541544234536
oct446335123244025
978567405402544
1020233210120213
1164a09466a8082
1223293b916a471
13b39ca2a6accc
144dd414c4868d
152514a3b80c0d
hex1266e94d4815

20233210120213 has 16 divisors (see below), whose sum is σ = 20950365829680. Its totient is φ = 19517355196416.

The previous prime is 20233210120147. The next prime is 20233210120247. The reversal of 20233210120213 is 31202101233202.

It can be written as a sum of positive squares in 8 ways, for example, as 3177441721444 + 17055768398769 = 1782538^2 + 4129863^2 .

It is a cyclic number.

It is not a de Polignac number, because 20233210120213 - 233 = 20224620185621 is a prime.

It is a super-2 number, since 2×202332101202132 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20233210120273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400656181 + ... + 400706677.

It is an arithmetic number, because the mean of its divisors is an integer number (1309397864355).

Almost surely, 220233210120213 is an apocalyptic number.

It is an amenable number.

20233210120213 is a deficient number, since it is larger than the sum of its proper divisors (717155709467).

20233210120213 is a wasteful number, since it uses less digits than its factorization.

20233210120213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63096.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20233210120213 its reverse (31202101233202), we get a palindrome (51435311353415).

The spelling of 20233210120213 in words is "twenty trillion, two hundred thirty-three billion, two hundred ten million, one hundred twenty thousand, two hundred thirteen".

Divisors: 1 29 1217 11353 35293 50497 329237 1464413 13816601 61454849 400681429 573292441 1782190621 16625480789 697696900697 20233210120213