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213142204143 = 33115991198081
BaseRepresentation
bin1100011010000001000…
…0111110111011101111
3202101011020122211101000
43012200100332323233
511443003401013033
6241525521051343
721253601561661
oct3064020767357
9671136584330
10213142204143
1182436243740
1235384a86b53
1317139cc052b
14a45d6a6531
155827115a13
hex31a043eeef

213142204143 has 32 divisors (see below), whose sum is σ = 345047616000. Its totient is φ = 128961331200.

The previous prime is 213142204141. The next prime is 213142204147. The reversal of 213142204143 is 341402241312.

213142204143 is a `hidden beast` number, since 2 + 1 + 314 + 2 + 204 + 143 = 666.

It is not a de Polignac number, because 213142204143 - 21 = 213142204141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213142204141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 421138 + ... + 776943.

It is an arithmetic number, because the mean of its divisors is an integer number (10782738000).

Almost surely, 2213142204143 is an apocalyptic number.

213142204143 is a deficient number, since it is larger than the sum of its proper divisors (131905411857).

213142204143 is a wasteful number, since it uses less digits than its factorization.

213142204143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198700 (or 1198694 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 213142204143 its reverse (341402241312), we get a palindrome (554544445455).

The spelling of 213142204143 in words is "two hundred thirteen billion, one hundred forty-two million, two hundred four thousand, one hundred forty-three".

Divisors: 1 3 9 11 27 33 99 297 599 1797 5391 6589 16173 19767 59301 177903 1198081 3594243 10782729 13178891 32348187 39536673 118610019 355830057 717650519 2152951557 6458854671 7894155709 19376564013 23682467127 71047401381 213142204143