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111200002100213 = 1397212941420377
BaseRepresentation
bin11001010010001011000100…
…100111111100101111110101
3112120201121122100012121001012
4121102023010213330233311
5104033400101014201323
61032300324205242005
732264635500210635
oct3122130447745765
9476647570177035
10111200002100213
11324827242311a4
121057b37b863305
134a081661430a0
141d661748546c5
15ccc8796b5678
hex6522c49fcbf5

111200002100213 has 16 divisors (see below), whose sum is σ = 121045255852080. Its totient is φ = 101540229267456.

The previous prime is 111200002100191. The next prime is 111200002100221. The reversal of 111200002100213 is 312001200002111.

It can be written as a sum of positive squares in 8 ways, for example, as 17191115411089 + 94008886689124 = 4146217^2 + 9695818^2 .

It is a cyclic number.

It is not a de Polignac number, because 111200002100213 - 218 = 111200001838069 is a prime.

It is a super-2 number, since 2×1112000021002132 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111200002100813) 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, 18025520 + ... + 23394857.

It is an arithmetic number, because the mean of its divisors is an integer number (7565328490755).

Almost surely, 2111200002100213 is an apocalyptic number.

111200002100213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

111200002100213 is a deficient number, since it is larger than the sum of its proper divisors (9845253751867).

111200002100213 is a wasteful number, since it uses less digits than its factorization.

111200002100213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41422616.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 111200002100213 its reverse (312001200002111), we get a palindrome (423201202102324).

The spelling of 111200002100213 in words is "one hundred eleven trillion, two hundred billion, two million, one hundred thousand, two hundred thirteen".

Divisors: 1 13 97 1261 2129 27677 206513 2684669 41420377 538464901 4017776569 52231095397 88183982633 1146391774229 8553846315401 111200002100213