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5831911082891 = 43891523885833
BaseRepresentation
bin101010011011101100011…
…1111010000101110001011
3202122112011220120211122202
41110313120333100232023
51231022223214123031
620223050514110415
71141225123202225
oct124673077205613
922575156524582
105831911082891
111949332850133
127a231b27b40b
13333c40319cba
141623a1ca7415
15a1a7c2d92cb
hex54dd8fd0b8b

5831911082891 has 8 divisors (see below), whose sum is σ = 6034587902640. Its totient is φ = 5632282035072.

The previous prime is 5831911082869. The next prime is 5831911082929. The reversal of 5831911082891 is 1982801191385.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5831911082891 is a prime.

It is a super-2 number, since 2×58319110828912 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5831911082191) 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, 761939090 + ... + 761946743.

It is an arithmetic number, because the mean of its divisors is an integer number (754323487830).

Almost surely, 25831911082891 is an apocalyptic number.

5831911082891 is a deficient number, since it is larger than the sum of its proper divisors (202676819749).

5831911082891 is a wasteful number, since it uses less digits than its factorization.

5831911082891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523885965.

The product of its (nonzero) digits is 1244160, while the sum is 56.

The spelling of 5831911082891 in words is "five trillion, eight hundred thirty-one billion, nine hundred eleven million, eighty-two thousand, eight hundred ninety-one".

Divisors: 1 43 89 3827 1523885833 65527090819 135625839137 5831911082891