Search a number
-
+
20013013101213 = 3211673300373919
BaseRepresentation
bin1001000110011101001001…
…00010010110101010011101
32121212020002021220112121100
410203032210202112222131
510110343122323214323
6110321503514023313
74133615056403316
oct443164442265235
977766067815540
1020013013101213
116416520180640
1222b27a5717b39
13b222b02c1a22
144d28c663760d
1524a8b7524943
hex1233a4896a9d

20013013101213 has 24 divisors (see below), whose sum is σ = 31582515444480. Its totient is φ = 12111076373760.

The previous prime is 20013013101187. The next prime is 20013013101241. The reversal of 20013013101213 is 31210131031002.

20013013101213 is a `hidden beast` number, since 200 + 1 + 30 + 1 + 310 + 121 + 3 = 666.

It is not a de Polignac number, because 20013013101213 - 29 = 20013013100701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013015101213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150120333 + ... + 150253586.

It is an arithmetic number, because the mean of its divisors is an integer number (1315938143520).

Almost surely, 220013013101213 is an apocalyptic number.

It is an amenable number.

20013013101213 is a deficient number, since it is larger than the sum of its proper divisors (11569502343267).

20013013101213 is a wasteful number, since it uses less digits than its factorization.

20013013101213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300374609 (or 300374606 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 20013013101213 its reverse (31210131031002), we get a palindrome (51223144132215).

The spelling of 20013013101213 in words is "twenty trillion, thirteen billion, thirteen million, one hundred one thousand, two hundred thirteen".

Divisors: 1 3 9 11 33 99 673 2019 6057 7403 22209 66627 300373919 901121757 2703365271 3304113109 9912339327 29737017981 202151647487 606454942461 1819364827383 2223668122357 6671004367071 20013013101213