Search a number
-
+
20243302401213 = 3217132309166021
BaseRepresentation
bin1001001101001010000101…
…10110010100010010111101
32122200020111112212002110200
410212211002312110102331
510123131240403314323
6111015351132554113
74156346622222363
oct446450266242275
978606445762420
1020243302401213
1164a5155511181
12232b355022939
13b3ac208c8708
144ddad134d633
15251894bbb443
hex126942d944bd

20243302401213 has 12 divisors (see below), whose sum is σ = 30960344849148. Its totient is φ = 12701679937920.

The previous prime is 20243302401191. The next prime is 20243302401227. The reversal of 20243302401213 is 31210420334202.

20243302401213 is a `hidden beast` number, since 2 + 0 + 2 + 43 + 3 + 0 + 2 + 401 + 213 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15390454686489 + 4852847714724 = 3923067^2 + 2202918^2 .

It is not a de Polignac number, because 20243302401213 - 213 = 20243302393021 is a prime.

It is a super-4 number, since 4×202433024012134 (a number of 54 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20243302401293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66154582858 + ... + 66154583163.

It is an arithmetic number, because the mean of its divisors is an integer number (2580028737429).

Almost surely, 220243302401213 is an apocalyptic number.

It is an amenable number.

20243302401213 is a deficient number, since it is larger than the sum of its proper divisors (10717042447935).

20243302401213 is a wasteful number, since it uses less digits than its factorization.

20243302401213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132309166044 (or 132309166041 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 20243302401213 its reverse (31210420334202), we get a palindrome (51453722735415).

The spelling of 20243302401213 in words is "twenty trillion, two hundred forty-three billion, three hundred two million, four hundred one thousand, two hundred thirteen".

Divisors: 1 3 9 17 51 153 132309166021 396927498063 1190782494189 2249255822357 6747767467071 20243302401213