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5086617552781 = 5994078486083
BaseRepresentation
bin100101000000101001000…
…0010000100011110001101
3200000021110010022201020121
41022001102002010132031
51131314343043142111
614452432043144541
71033332060545422
oct112012202043615
920007403281217
105086617552781
11169124a000a26
126a19a1b15151
132ab8871c7c8b
1413829d365d49
158c4abb61871
hex4a05208478d

5086617552781 has 4 divisors (see below), whose sum is σ = 5086626638272. Its totient is φ = 5086608467292.

The previous prime is 5086617552767. The next prime is 5086617552787. The reversal of 5086617552781 is 1872557166805.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2k-5086617552781 is a prime.

It is a super-2 number, since 2×50866175527812 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5086617552787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3643635 + ... + 4842448.

It is an arithmetic number, because the mean of its divisors is an integer number (1271656659568).

Almost surely, 25086617552781 is an apocalyptic number.

It is an amenable number.

5086617552781 is a deficient number, since it is larger than the sum of its proper divisors (9085491).

5086617552781 is an equidigital number, since it uses as much as digits as its factorization.

5086617552781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9085490.

The product of its (nonzero) digits is 28224000, while the sum is 61.

The spelling of 5086617552781 in words is "five trillion, eighty-six billion, six hundred seventeen million, five hundred fifty-two thousand, seven hundred eighty-one".

Divisors: 1 599407 8486083 5086617552781