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6195850081 = 42797144773
BaseRepresentation
bin1011100010100110…
…10010101101100001
3120222210120210110221
411301103102231201
5100142114200311
62502450323041
7306352566601
oct56123225541
916883523427
106195850081
11269a439963
12124ab89481
1377982c1a5
1442ac30c01
15263e22671
hex1714d2b61

6195850081 has 4 divisors (see below), whose sum is σ = 6196037652. Its totient is φ = 6195662512.

The previous prime is 6195850051. The next prime is 6195850097. The reversal of 6195850081 is 1800585916.

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 4902800400 + 1293049681 = 70020^2 + 35959^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6195850081 is a prime.

It is a super-2 number, since 2×61958500812 = 76777116452455413122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6195850021) 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, 29590 + ... + 115183.

It is an arithmetic number, because the mean of its divisors is an integer number (1549009413).

Almost surely, 26195850081 is an apocalyptic number.

It is an amenable number.

6195850081 is a deficient number, since it is larger than the sum of its proper divisors (187571).

6195850081 is a wasteful number, since it uses less digits than its factorization.

6195850081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187570.

The product of its (nonzero) digits is 86400, while the sum is 43.

The square root of 6195850081 is about 78713.7223170141. The cubic root of 6195850081 is about 1836.6805780475.

The spelling of 6195850081 in words is "six billion, one hundred ninety-five million, eight hundred fifty thousand, eighty-one".

Divisors: 1 42797 144773 6195850081