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118737130018 = 2134566812693
BaseRepresentation
bin110111010010101001…
…0001101001000100010
3102100110222212011120011
41232211102031020202
53421133201130033
6130314100435134
711402262644503
oct1564522151042
9370428764504
10118737130018
11463a1018221
121b0189a8aaa
13b27367c820
145a6572cbaa
15314e19bccd
hex1ba548d222

118737130018 has 8 divisors (see below), whose sum is σ = 191806133148. Its totient is φ = 54801752304.

The previous prime is 118737130013. The next prime is 118737130019. The reversal of 118737130018 is 810031737811.

It can be written as a sum of positive squares in 2 ways, for example, as 118726417489 + 10712529 = 344567^2 + 3273^2 .

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

It is a super-2 number, since 2×1187371300182 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (118737130013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2283406321 + ... + 2283406372.

Almost surely, 2118737130018 is an apocalyptic number.

118737130018 is a deficient number, since it is larger than the sum of its proper divisors (73069003130).

118737130018 is a wasteful number, since it uses less digits than its factorization.

118737130018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4566812708.

The product of its (nonzero) digits is 28224, while the sum is 40.

Adding to 118737130018 its reverse (810031737811), we get a palindrome (928768867829).

The spelling of 118737130018 in words is "one hundred eighteen billion, seven hundred thirty-seven million, one hundred thirty thousand, eighteen".

Divisors: 1 2 13 26 4566812693 9133625386 59368565009 118737130018