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142120341 = 32111435559
BaseRepresentation
bin10000111100010…
…01010110010101
3100220102110110100
420132021112111
5242340322331
622034044313
73344001006
oct1036112625
9326373410
10142120341
1173250130
123b719699
13235a049c
1414c371ad
15c724ae6
hex8789595

142120341 has 12 divisors (see below), whose sum is σ = 223947360. Its totient is φ = 86133480.

The previous prime is 142120291. The next prime is 142120369. The reversal of 142120341 is 143021241.

142120341 is a `hidden beast` number, since 1 + 421 + 203 + 41 = 666.

It is not a de Polignac number, because 142120341 - 210 = 142119317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142120141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 717681 + ... + 717878.

It is an arithmetic number, because the mean of its divisors is an integer number (18662280).

Almost surely, 2142120341 is an apocalyptic number.

142120341 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

142120341 is a deficient number, since it is larger than the sum of its proper divisors (81827019).

142120341 is a wasteful number, since it uses less digits than its factorization.

142120341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435576 (or 1435573 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 142120341 is about 11921.4236146527. The cubic root of 142120341 is about 521.8576812879.

Adding to 142120341 its reverse (143021241), we get a palindrome (285141582).

The spelling of 142120341 in words is "one hundred forty-two million, one hundred twenty thousand, three hundred forty-one".

Divisors: 1 3 9 11 33 99 1435559 4306677 12920031 15791149 47373447 142120341