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5551891852717 = 7864641917291
BaseRepresentation
bin101000011001010011010…
…0010101010110110101101
3201122202101220000002022201
41100302212202222312231
51211430233303241332
615450300502141501
71112053025052040
oct120624642526655
921582356002281
105551891852717
1118505a9238a51
12757bb1421891
13313705bc2122
141529da682c57
159963dd485e7
hex50ca68aadad

5551891852717 has 8 divisors (see below), whose sum is σ = 6345033515712. Its totient is φ = 4758753753600.

The previous prime is 5551891852711. The next prime is 5551891852729. The reversal of 5551891852717 is 7172581981555.

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

It is a de Polignac number, because none of the positive numbers 2k-5551891852717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551891852711) 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, 5593842 + ... + 6511132.

It is an arithmetic number, because the mean of its divisors is an integer number (793129189464).

Almost surely, 25551891852717 is an apocalyptic number.

It is an amenable number.

5551891852717 is a deficient number, since it is larger than the sum of its proper divisors (793141662995).

5551891852717 is an equidigital number, since it uses as much as digits as its factorization.

5551891852717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781939.

The product of its digits is 35280000, while the sum is 64.

The spelling of 5551891852717 in words is "five trillion, five hundred fifty-one billion, eight hundred ninety-one million, eight hundred fifty-two thousand, seven hundred seventeen".

Divisors: 1 7 864641 917291 6052487 6421037 793127407531 5551891852717