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18252270005 = 513926262259
BaseRepresentation
bin10000111111111010…
…111000100110110101
31202010000212101102012
4100333322320212311
5244340040120010
612215053254005
71214210510114
oct207772704665
952100771365
1018252270005
117816a26672
123654794305
13194b589288
14c52137c7b
1571c5da005
hex43feb89b5

18252270005 has 8 divisors (see below), whose sum is σ = 22060298400. Its totient is φ = 14496766416.

The previous prime is 18252269977. The next prime is 18252270013. The reversal of 18252270005 is 50007225281.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18252270005 - 212 = 18252265909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13130435 + ... + 13131824.

It is an arithmetic number, because the mean of its divisors is an integer number (2757537300).

Almost surely, 218252270005 is an apocalyptic number.

It is an amenable number.

18252270005 is a deficient number, since it is larger than the sum of its proper divisors (3808028395).

18252270005 is a wasteful number, since it uses less digits than its factorization.

18252270005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26262403.

The product of its (nonzero) digits is 11200, while the sum is 32.

Adding to 18252270005 its reverse (50007225281), we get a palindrome (68259495286).

The spelling of 18252270005 in words is "eighteen billion, two hundred fifty-two million, two hundred seventy thousand, five".

Divisors: 1 5 139 695 26262259 131311295 3650454001 18252270005