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57825213803 = 78260744829
BaseRepresentation
bin110101110110101001…
…101011110101101011
312112020221100012221022
4311312221223311223
51421411223320203
642321535003055
74114651131110
oct656651536553
9175227305838
1057825213803
1122583909aa5
12b25966948b
1355b7016156
142b27ada907
151786866a38
hexd76a6bd6b

57825213803 has 4 divisors (see below), whose sum is σ = 66085958640. Its totient is φ = 49564468968.

The previous prime is 57825213751. The next prime is 57825213811. The reversal of 57825213803 is 30831252875.

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

It is a de Polignac number, because none of the positive numbers 2k-57825213803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57825213893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4130372408 + ... + 4130372421.

It is an arithmetic number, because the mean of its divisors is an integer number (16521489660).

Almost surely, 257825213803 is an apocalyptic number.

57825213803 is a deficient number, since it is larger than the sum of its proper divisors (8260744837).

57825213803 is an equidigital number, since it uses as much as digits as its factorization.

57825213803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8260744836.

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 57825213803 in words is "fifty-seven billion, eight hundred twenty-five million, two hundred thirteen thousand, eight hundred three".

Divisors: 1 7 8260744829 57825213803