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142426540133020 = 22511133115710232071
BaseRepresentation
bin100000011000100101000011…
…010101001100101010011100
3200200021211210110121012200201
4200120211003111030222130
5122132004023233224040
61222525503235233244
741666656303065223
oct4030450325145234
9620254713535621
10142426540133020
1141421835942160
1213b83274148824
1361619c3c20b10
1427256a4a75cba
15116ec93daaa9a
hex81894354ca9c

142426540133020 has 192 divisors, whose sum is σ = 365030560161792. Its totient is φ = 45970644096000.

The previous prime is 142426540132979. The next prime is 142426540133063. The reversal of 142426540133020 is 20331045624241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8803585 + ... + 19035655.

It is an arithmetic number, because the mean of its divisors is an integer number (1901200834176).

Almost surely, 2142426540133020 is an apocalyptic number.

142426540133020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142426540133020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182515280080896).

142426540133020 is an abundant number, since it is smaller than the sum of its proper divisors (222604020028772).

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

142426540133020 is a wasteful number, since it uses less digits than its factorization.

142426540133020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10232292 (or 10232290 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 142426540133020 its reverse (20331045624241), we get a palindrome (162757585757261).

The spelling of 142426540133020 in words is "one hundred forty-two trillion, four hundred twenty-six billion, five hundred forty million, one hundred thirty-three thousand, twenty".