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18252556309141 = 7112237105966109
BaseRepresentation
bin1000010011001110000010…
…01000101001001010010101
32101121221001000212110201021
410021213001020221022111
54343022213403343031
6102453035243201141
73562463234514610
oct411470110511225
971557030773637
1018252556309141
1158a7958214390
1220695742161b1
13a252935c4a0b
144715dd8cb177
15219bce322511
hex1099c1229295

18252556309141 has 16 divisors (see below), whose sum is σ = 22766606801280. Its totient is φ = 14216413049280.

The previous prime is 18252556309139. The next prime is 18252556309171. The reversal of 18252556309141 is 14190365525281.

It is a cyclic number.

It is not a de Polignac number, because 18252556309141 - 21 = 18252556309139 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 (18252556309111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52810806 + ... + 53155303.

It is an arithmetic number, because the mean of its divisors is an integer number (1422912925080).

Almost surely, 218252556309141 is an apocalyptic number.

18252556309141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

18252556309141 is a deficient number, since it is larger than the sum of its proper divisors (4514050492139).

18252556309141 is a wasteful number, since it uses less digits than its factorization.

18252556309141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105968364.

The product of its (nonzero) digits is 2592000, while the sum is 52.

The spelling of 18252556309141 in words is "eighteen trillion, two hundred fifty-two billion, five hundred fifty-six million, three hundred nine thousand, one hundred forty-one".

Divisors: 1 7 11 77 2237 15659 24607 172249 105966109 741762763 1165627199 8159390393 237046185833 1659323300831 2607508044163 18252556309141