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18285366190105 = 571018216300443
BaseRepresentation
bin1000010100001011001001…
…10000011010000000011001
32101202001201121110010010201
410022011210300122000121
54344041412221040410
6102520103052542201
73565034264064340
oct412054460320031
971661647403121
1018285366190105
11590a864574593
1220739b0181961
13a283c1b66671
144730331acb57
1521a99e98883a
hex10a164c1a019

18285366190105 has 32 divisors (see below), whose sum is σ = 25356212483328. Its totient is φ = 12399269856000.

The previous prime is 18285366190031. The next prime is 18285366190271. The reversal of 18285366190105 is 50109166358281.

It is not a de Polignac number, because 18285366190105 - 241 = 16086342934553 is a prime.

It is a super-2 number, since 2×182853661901052 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 247987 + ... + 6052456.

It is an arithmetic number, because the mean of its divisors is an integer number (792381640104).

Almost surely, 218285366190105 is an apocalyptic number.

It is an amenable number.

18285366190105 is a deficient number, since it is larger than the sum of its proper divisors (7070846293223).

18285366190105 is a wasteful number, since it uses less digits than its factorization.

18285366190105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6301377.

The product of its (nonzero) digits is 3110400, while the sum is 55.

The spelling of 18285366190105 in words is "eighteen trillion, two hundred eighty-five billion, three hundred sixty-six million, one hundred ninety thousand, one hundred five".

Divisors: 1 5 7 35 101 505 707 821 3535 4105 5747 28735 82921 414605 580447 2902235 6300443 31502215 44103101 220515505 636344743 3181723715 4454413201 5172663703 22272066005 25863318515 36208645921 181043229605 522439034003 2612195170015 3657073238021 18285366190105