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142443031300434 = 23317769920154137
BaseRepresentation
bin100000011000110100011010…
…010010000000100101010010
3200200100102100202122022112000
4200120310122102000211102
5122132241312003103214
61222541231502214430
742001112050514424
oct4030643222004522
9620312322568460
10142443031300434
1141428828761337
1213b864b6b84416
136163421688a47
1427263cad40814
15117040ba72809
hex818d1a480952

142443031300434 has 64 divisors (see below), whose sum is σ = 335203623216000. Its totient is φ = 44682203211264.

The previous prime is 142443031300261. The next prime is 142443031300487. The reversal of 142443031300434 is 434003130344241.

142443031300434 is a `hidden beast` number, since 1 + 4 + 2 + 4 + 4 + 303 + 1 + 300 + 43 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3009387 + ... + 17144750.

It is an arithmetic number, because the mean of its divisors is an integer number (5237556612750).

Almost surely, 2142443031300434 is an apocalyptic number.

142443031300434 is an abundant number, since it is smaller than the sum of its proper divisors (192760591915566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142443031300434 is a wasteful number, since it uses less digits than its factorization.

142443031300434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20161864 (or 20161858 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 142443031300434 its reverse (434003130344241), we get a palindrome (576446161644675).

The spelling of 142443031300434 in words is "one hundred forty-two trillion, four hundred forty-three billion, thirty-one million, three hundred thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9 17 18 27 34 51 54 102 153 306 459 918 7699 15398 23097 46194 69291 130883 138582 207873 261766 392649 415746 785298 1177947 2355894 3533841 7067682 20154137 40308274 60462411 120924822 181387233 342620329 362774466 544161699 685240658 1027860987 1088323398 2055721974 3083582961 6167165922 9250748883 18501497766 155166700763 310333401526 465500102289 931000204578 1396500306867 2637833912971 2793000613734 4189500920601 5275667825942 7913501738913 8379001841202 15827003477826 23740505216739 47481010433478 71221515650217 142443031300434