Base | Representation |
---|---|
bin | 1001001001000011011110… |
… | …01010101010000101111111 |
3 | 2122011202120200120010112120 |
4 | 10210201233022222011333 |
5 | 10113324013333310421 |
6 | 110430512531334023 |
7 | 4143226013532432 |
oct | 444415712520577 |
9 | 78152520503476 |
10 | 20102312010111 |
11 | 64503850775a1 |
12 | 2307b67751313 |
13 | b2a841ab20a6 |
14 | 4d6d58395819 |
15 | 24cd920658c6 |
hex | 12486f2aa17f |
20102312010111 has 32 divisors (see below), whose sum is σ = 28860472800768. Its totient is φ = 12413298522240.
The previous prime is 20102312010101. The next prime is 20102312010113. The reversal of 20102312010111 is 11101021320102.
It is not a de Polignac number, because 20102312010111 - 26 = 20102312010047 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20102312010113) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18120076 + ... + 19197441.
It is an arithmetic number, because the mean of its divisors is an integer number (901889775024).
Almost surely, 220102312010111 is an apocalyptic number.
20102312010111 is a deficient number, since it is larger than the sum of its proper divisors (8758160790657).
20102312010111 is a wasteful number, since it uses less digits than its factorization.
20102312010111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37317791.
The product of its (nonzero) digits is 24, while the sum is 15.
Adding to 20102312010111 its reverse (11101021320102), we get a palindrome (31203333330213).
It can be divided in two parts, 20102 and 312010111, that added together give a palindrome (312030213).
The spelling of 20102312010111 in words is "twenty trillion, one hundred two billion, three hundred twelve million, ten thousand, one hundred eleven".
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