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142075731005 = 5132185780477
BaseRepresentation
bin1000010001010001011…
…1111001110000111101
3111120201111112221101022
42010110113321300331
54311432341343010
6145134011553525
713156524534125
oct2042427716075
9446644487338
10142075731005
115528805660a
1223650a5b8a5
13105229335b0
146c3b19bc85
153a68092d55
hex21145f9c3d

142075731005 has 8 divisors (see below), whose sum is σ = 183605560152. Its totient is φ = 104917462848.

The previous prime is 142075731001. The next prime is 142075731011. The reversal of 142075731005 is 500137570241.

142075731005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 57547396 + 142018183609 = 7586^2 + 376853^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142075731005 - 22 = 142075731001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142075731001) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1092890174 + ... + 1092890303.

It is an arithmetic number, because the mean of its divisors is an integer number (22950695019).

Almost surely, 2142075731005 is an apocalyptic number.

It is an amenable number.

142075731005 is a deficient number, since it is larger than the sum of its proper divisors (41529829147).

142075731005 is a wasteful number, since it uses less digits than its factorization.

142075731005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185780495.

The product of its (nonzero) digits is 29400, while the sum is 35.

The spelling of 142075731005 in words is "one hundred forty-two billion, seventy-five million, seven hundred thirty-one thousand, five".

Divisors: 1 5 13 65 2185780477 10928902385 28415146201 142075731005