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2112203320143 = 372191814178171
BaseRepresentation
bin11110101111001001001…
…000001110101101001111
321110220222002012002100220
4132233021020032231033
5234101243022221033
64254155515322423
7305413236663300
oct36571110165517
97426862162326
102112203320143
11744864788a34
122a1438750413
13124245385bb7
14743345367a7
1539e2374abb3
hex1ebc920eb4f

2112203320143 has 48 divisors (see below), whose sum is σ = 3467548506240. Its totient is φ = 1137130747200.

The previous prime is 2112203320079. The next prime is 2112203320151. The reversal of 2112203320143 is 3410233022112.

It is not a de Polignac number, because 2112203320143 - 26 = 2112203320079 is a prime.

It is a super-2 number, since 2×21122033201432 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112203320943) 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 47 ways as a sum of consecutive naturals, for example, 1583553 + ... + 2594618.

It is an arithmetic number, because the mean of its divisors is an integer number (72240593880).

Almost surely, 22112203320143 is an apocalyptic number.

2112203320143 is a deficient number, since it is larger than the sum of its proper divisors (1355345186097).

2112203320143 is a wasteful number, since it uses less digits than its factorization.

2112203320143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4178388 (or 4178381 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2112203320143 its reverse (3410233022112), we get a palindrome (5522436342255).

The spelling of 2112203320143 in words is "two trillion, one hundred twelve billion, two hundred three million, three hundred twenty thousand, one hundred forty-three".

Divisors: 1 3 7 19 21 49 57 133 147 181 399 543 931 1267 2793 3439 3801 8869 10317 24073 26607 72219 168511 505533 4178171 12534513 29247197 79385249 87741591 204730379 238155747 555696743 614191137 756248951 1667090229 2268746853 3889877201 5293742657 11669631603 14368730069 15881227971 37056198599 43106190207 100581110483 111168595797 301743331449 704067773381 2112203320143