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142032148591 = 182377911217
BaseRepresentation
bin1000010001000111000…
…1101001100001101111
3111120121110112201112211
42010101301221201233
54311340212223331
6145125413511251
713155455225524
oct2042161514157
9446543481484
10142032148591
1155265499493
122363a342527
13105168b4298
146c3549514b
153a643348b1
hex2111c6986f

142032148591 has 4 divisors (see below), whose sum is σ = 142110061632. Its totient is φ = 141954235552.

The previous prime is 142032148547. The next prime is 142032148649. The reversal of 142032148591 is 195841230241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142032148591 - 231 = 139884664943 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 (142032148891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38953786 + ... + 38957431.

It is an arithmetic number, because the mean of its divisors is an integer number (35527515408).

Almost surely, 2142032148591 is an apocalyptic number.

142032148591 is a deficient number, since it is larger than the sum of its proper divisors (77913041).

142032148591 is an equidigital number, since it uses as much as digits as its factorization.

142032148591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77913040.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 142032148591 in words is "one hundred forty-two billion, thirty-two million, one hundred forty-eight thousand, five hundred ninety-one".

Divisors: 1 1823 77911217 142032148591