Search a number
-
+
20010053345213 = 109233509786173
BaseRepresentation
bin1001000110010111101000…
…00111110001111110111101
32121211221110000121100122202
410203023310013301332331
510110321042124021323
6110320254104121245
74133451530033141
oct443136407617675
977757400540582
1020010053345213
1164152414a80a8
1222b20ba466225
13b21c2b05b109
144d26c5509221
1524a79277ed28
hex1232f41f1fbd

20010053345213 has 8 divisors (see below), whose sum is σ = 20193743981400. Its totient is φ = 19826364748608.

The previous prime is 20010053345209. The next prime is 20010053345237. The reversal of 20010053345213 is 31254335001002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1235970274564 + 18774083070649 = 1111742^2 + 4332907^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20010053345213 - 22 = 20010053345209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010053345203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25059395 + ... + 25845567.

It is an arithmetic number, because the mean of its divisors is an integer number (2524217997675).

Almost surely, 220010053345213 is an apocalyptic number.

It is an amenable number.

20010053345213 is a deficient number, since it is larger than the sum of its proper divisors (183690636187).

20010053345213 is a wasteful number, since it uses less digits than its factorization.

20010053345213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019791.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 20010053345213 its reverse (31254335001002), we get a palindrome (51264388346215).

The spelling of 20010053345213 in words is "twenty trillion, ten billion, fifty-three million, three hundred forty-five thousand, two hundred thirteen".

Divisors: 1 109 233509 786173 25452481 85692857 183578471057 20010053345213