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490730074673 = 1925827898667
BaseRepresentation
bin1110010010000011100…
…10101011001000110001
31201220122211012201021212
413021001302223020301
531020003344342143
61013234400325505
750311514545106
oct7110162531061
91656584181255
10490730074673
1117a132374393
127b134613895
133737779c967
1419a74026aad
15cb71dd8918
hex7241cab231

490730074673 has 4 divisors (see below), whose sum is σ = 516557973360. Its totient is φ = 464902175988.

The previous prime is 490730074613. The next prime is 490730074699. The reversal of 490730074673 is 376470037094.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 376470037094 = 2188235018547.

It is a cyclic number.

It is not a de Polignac number, because 490730074673 - 210 = 490730073649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490730074613) 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, 12913949315 + ... + 12913949352.

It is an arithmetic number, because the mean of its divisors is an integer number (129139493340).

Almost surely, 2490730074673 is an apocalyptic number.

It is an amenable number.

490730074673 is a deficient number, since it is larger than the sum of its proper divisors (25827898687).

490730074673 is a wasteful number, since it uses less digits than its factorization.

490730074673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25827898686.

The product of its (nonzero) digits is 2667168, while the sum is 50.

The spelling of 490730074673 in words is "four hundred ninety billion, seven hundred thirty million, seventy-four thousand, six hundred seventy-three".

Divisors: 1 19 25827898667 490730074673