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142405100323143 = 373617093199883
BaseRepresentation
bin100000011000010001000101…
…011010110100000101000111
3200200012210110021211000121020
4200120101011122310011013
5122131131121140320033
61222511555553522223
741665300065522000
oct4030210532640507
9620183407730536
10142405100323143
1141413733703719
1213b7b08bb73373
13615c988169598
14272462d4781a7
15116e43ba346b3
hex8184456b4147

142405100323143 has 64 divisors (see below), whose sum is σ = 225374229888000. Its totient is φ = 79927420567680.

The previous prime is 142405100323127. The next prime is 142405100323147. The reversal of 142405100323143 is 341323001504241.

It is not a de Polignac number, because 142405100323143 - 24 = 142405100323127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142405100323147) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42903280 + ... + 46103162.

It is an arithmetic number, because the mean of its divisors is an integer number (3521472342000).

Almost surely, 2142405100323143 is an apocalyptic number.

142405100323143 is a deficient number, since it is larger than the sum of its proper divisors (82969129564857).

142405100323143 is an equidigital number, since it uses as much as digits as its factorization.

142405100323143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200677 (or 3200663 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 142405100323143 its reverse (341323001504241), we get a palindrome (483728101827384).

The spelling of 142405100323143 in words is "one hundred forty-two trillion, four hundred five billion, one hundred million, three hundred twenty-three thousand, one hundred forty-three".

Divisors: 1 3 7 21 49 61 147 183 343 427 709 1029 1281 2127 2989 4963 8967 14889 20923 34741 43249 62769 104223 129747 243187 302743 729561 908229 2119201 3199883 6357603 9599649 14834407 22399181 44503221 67197543 156794267 195192863 470382801 585578589 1097559869 1366350041 2268717047 3292679607 4099050123 6806151141 9564450287 15881019329 28693350861 47643057987 66951152009 111167135303 138391739867 200853456027 333501405909 415175219601 778169947121 968742179069 2334509841363 2906226537207 6781195253483 20343585760449 47468366774381 142405100323143