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5818668668185 = 531311519322771
BaseRepresentation
bin101010010101100001110…
…1011011101010100011001
3202121021000000122110201211
41110223003223131110121
51230313113134340220
620213020503143121
71140246014424202
oct124530353352431
922537000573654
105818668668185
111943757852a4a
1279b844444aa1
1333290c960359
141618a72785a9
15a1554950b5a
hex54ac3add519

5818668668185 has 16 divisors (see below), whose sum is σ = 7005340200960. Its totient is φ = 4639645745280.

The previous prime is 5818668668159. The next prime is 5818668668213.

5818668668185 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2k-5818668668185 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17865850 + ... + 18188620.

It is an arithmetic number, because the mean of its divisors is an integer number (437833762560).

Almost surely, 25818668668185 is an apocalyptic number.

It is an amenable number.

5818668668185 is a deficient number, since it is larger than the sum of its proper divisors (1186671532775).

5818668668185 is a wasteful number, since it uses less digits than its factorization.

5818668668185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334608.

The product of its digits is 1061683200, while the sum is 76.

The spelling of 5818668668185 in words is "five trillion, eight hundred eighteen billion, six hundred sixty-eight million, six hundred sixty-eight thousand, one hundred eighty-five".

Divisors: 1 5 313 1565 11519 57595 322771 1613855 3605447 18027235 101027323 505136615 3717999149 18589995745 1163733733637 5818668668185