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5191749842843 = 17439695665261
BaseRepresentation
bin100101110001100110001…
…1001111011011110011011
3200101022210222021101220102
41023203030121323132123
51140030200424432333
615013020145050015
71044043254350624
oct113431431733633
920338728241812
105191749842843
11172189948a563
126ba24262690b
132b87700a4235
1413d3d3c82a4b
15900b1734ae8
hex4b8cc67b79b

5191749842843 has 8 divisors (see below), whose sum is σ = 5509668875040. Its totient is φ = 4875222142080.

The previous prime is 5191749842761. The next prime is 5191749842947. The reversal of 5191749842843 is 3482489471915.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5191749842843 - 234 = 5174569973659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5191749842843.

It is not an unprimeable number, because it can be changed into a prime (5191749842143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347825168 + ... + 347840093.

It is an arithmetic number, because the mean of its divisors is an integer number (688708609380).

Almost surely, 25191749842843 is an apocalyptic number.

5191749842843 is a deficient number, since it is larger than the sum of its proper divisors (317919032197).

5191749842843 is a wasteful number, since it uses less digits than its factorization.

5191749842843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695665717.

The product of its digits is 69672960, while the sum is 65.

The spelling of 5191749842843 in words is "five trillion, one hundred ninety-one billion, seven hundred forty-nine million, eight hundred forty-two thousand, eight hundred forty-three".

Divisors: 1 17 439 7463 695665261 11826309437 305397049579 5191749842843