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253042564105 = 550608512821
BaseRepresentation
bin1110101110101010000…
…0110001110000001001
3220012010222020010102201
43223222200301300021
513121212344022410
6312125100200201
724165426210022
oct3535240616011
9805128203381
10253042564105
1198350a26741
124105b539061
131ab28527096
14c366937c49
1568aeeb983a
hex3aea831c09

253042564105 has 4 divisors (see below), whose sum is σ = 303651076932. Its totient is φ = 202434051280.

The previous prime is 253042564079. The next prime is 253042564109. The reversal of 253042564105 is 501465240352.

253042564105 is digitally balanced in base 11, because in such base it contains all the possibile digits an equal number of times.

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 40657076496 + 212385487609 = 201636^2 + 460853^2 .

It is a de Polignac number, because none of the positive numbers 2k-253042564105 is a prime.

It is a Duffinian number.

253042564105 is strictly pandigital in base 11.

It is not an unprimeable number, because it can be changed into a prime (253042564109) 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, 25304256406 + ... + 25304256415.

It is an arithmetic number, because the mean of its divisors is an integer number (75912769233).

Almost surely, 2253042564105 is an apocalyptic number.

It is an amenable number.

253042564105 is a deficient number, since it is larger than the sum of its proper divisors (50608512827).

253042564105 is an equidigital number, since it uses as much as digits as its factorization.

253042564105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50608512826.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 253042564105 in words is "two hundred fifty-three billion, forty-two million, five hundred sixty-four thousand, one hundred five".

Divisors: 1 5 50608512821 253042564105