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49731428443 = 87795664817
BaseRepresentation
bin101110010100001110…
…010110000001011011
311202100212110022201011
4232110032112001123
51303322221202233
634502445034351
73410251111204
oct562416260133
9152325408634
1049731428443
111a100105294
12977ab559b7
1348c7227148
14259abbc5ab
151460ee30cd
hexb9439605b

49731428443 has 4 divisors (see below), whose sum is σ = 49737102040. Its totient is φ = 49725754848.

The previous prime is 49731428441. The next prime is 49731428473. The reversal of 49731428443 is 34482413794.

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

It is a cyclic number.

It is not a de Polignac number, because 49731428443 - 21 = 49731428441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49731428441) 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, 2823630 + ... + 2841187.

It is an arithmetic number, because the mean of its divisors is an integer number (12434275510).

Almost surely, 249731428443 is an apocalyptic number.

49731428443 is a deficient number, since it is larger than the sum of its proper divisors (5673597).

49731428443 is an equidigital number, since it uses as much as digits as its factorization.

49731428443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5673596.

The product of its digits is 2322432, while the sum is 49.

The spelling of 49731428443 in words is "forty-nine billion, seven hundred thirty-one million, four hundred twenty-eight thousand, four hundred forty-three".

Divisors: 1 8779 5664817 49731428443