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142605463241 = 1139312516937
BaseRepresentation
bin1000010011001111110…
…0101010111011001001
3111122002102100010101202
42010303330222323021
54314023444310431
6145302333553545
713205616303023
oct2046374527311
9448072303352
10142605463241
115552a08024a
122377a3458b5
13105a85c8817
146c8b693013
153a998308cb
hex2133f2aec9

142605463241 has 4 divisors (see below), whose sum is σ = 142617991572. Its totient is φ = 142592934912.

The previous prime is 142605463199. The next prime is 142605463261. The reversal of 142605463241 is 142364506241.

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

It can be written as a sum of positive squares in 2 ways, for example, as 55755015625 + 86850447616 = 236125^2 + 294704^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-142605463241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142605463195 and 142605463204.

It is not an unprimeable number, because it can be changed into a prime (142605463261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6247076 + ... + 6269861.

It is an arithmetic number, because the mean of its divisors is an integer number (35654497893).

Almost surely, 2142605463241 is an apocalyptic number.

It is an amenable number.

142605463241 is a deficient number, since it is larger than the sum of its proper divisors (12528331).

142605463241 is a wasteful number, since it uses less digits than its factorization.

142605463241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12528330.

The product of its (nonzero) digits is 138240, while the sum is 38.

Adding to 142605463241 its reverse (142364506241), we get a palindrome (284969969482).

The spelling of 142605463241 in words is "one hundred forty-two billion, six hundred five million, four hundred sixty-three thousand, two hundred forty-one".

Divisors: 1 11393 12516937 142605463241