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130665267742 = 265332633871
BaseRepresentation
bin111100110110001000…
…0011100001000011110
3110111021021202100101211
41321230100130020132
54120100302031432
6140005442055034
712304002310312
oct1715420341036
9414237670354
10130665267742
1150462156689
12213a764a47a
13c424972c99
1464779a1b42
1535eb474d47
hex1e6c41c21e

130665267742 has 4 divisors (see below), whose sum is σ = 195997901616. Its totient is φ = 65332633870.

The previous prime is 130665267721. The next prime is 130665267767. The reversal of 130665267742 is 247762566031.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 32666316934 + ... + 32666316937.

It is an arithmetic number, because the mean of its divisors is an integer number (48999475404).

Almost surely, 2130665267742 is an apocalyptic number.

130665267742 is a deficient number, since it is larger than the sum of its proper divisors (65332633874).

130665267742 is an equidigital number, since it uses as much as digits as its factorization.

130665267742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65332633873.

The product of its (nonzero) digits is 2540160, while the sum is 49.

The spelling of 130665267742 in words is "one hundred thirty billion, six hundred sixty-five million, two hundred sixty-seven thousand, seven hundred forty-two".

Divisors: 1 2 65332633871 130665267742