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18205325114 = 2193131530631
BaseRepresentation
bin10000111101000111…
…110011011100111010
31201222202112100010112
4100331013303130322
5244241030400424
612210255144322
71213100465414
oct207507633472
951882470115
1018205325114
1177a2482239
123640b150a2
131941930632
14c49bd79b4
1571841560e
hex43d1f373a

18205325114 has 16 divisors (see below), whose sum is σ = 28837106880. Its totient is φ = 8596018080.

The previous prime is 18205325113. The next prime is 18205325119. The reversal of 18205325114 is 41152350281.

It is a super-2 number, since 2×182053251142 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18205325111) 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, 753422 + ... + 777209.

It is an arithmetic number, because the mean of its divisors is an integer number (1802319180).

Almost surely, 218205325114 is an apocalyptic number.

18205325114 is a deficient number, since it is larger than the sum of its proper divisors (10631781766).

18205325114 is a wasteful number, since it uses less digits than its factorization.

18205325114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530965.

The product of its (nonzero) digits is 9600, while the sum is 32.

Adding to 18205325114 its reverse (41152350281), we get a palindrome (59357675395).

The spelling of 18205325114 in words is "eighteen billion, two hundred five million, three hundred twenty-five thousand, one hundred fourteen".

Divisors: 1 2 19 38 313 626 5947 11894 1530631 3061262 29081989 58163978 479087503 958175006 9102662557 18205325114