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2724680317 = 16716315451
BaseRepresentation
bin1010001001100111…
…0101001001111101
321000212222002201211
42202121311021331
521040004232232
61130211204421
7124343254252
oct24231651175
97025862654
102724680317
111179013717
126405a6711
13345648298
141bbc19429
1510e30ca47
hexa267527d

2724680317 has 4 divisors (see below), whose sum is σ = 2740995936. Its totient is φ = 2708364700.

The previous prime is 2724680311. The next prime is 2724680327. The reversal of 2724680317 is 7130864272.

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.

It is a cyclic number.

It is not a de Polignac number, because 2724680317 - 211 = 2724678269 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2724680317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2724680311) 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, 8157559 + ... + 8157892.

It is an arithmetic number, because the mean of its divisors is an integer number (685248984).

Almost surely, 22724680317 is an apocalyptic number.

It is an amenable number.

2724680317 is a deficient number, since it is larger than the sum of its proper divisors (16315619).

2724680317 is a wasteful number, since it uses less digits than its factorization.

2724680317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16315618.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 2724680317 is about 52198.4704469393. The cubic root of 2724680317 is about 1396.7065982043.

The spelling of 2724680317 in words is "two billion, seven hundred twenty-four million, six hundred eighty thousand, three hundred seventeen".

Divisors: 1 167 16315451 2724680317