Base | Representation |
---|---|
bin | 1010111001000100011… |
… | …0100100011011010100 |
3 | 122212222120112220020001 |
4 | 2232101012210123110 |
5 | 11031204202341431 |
6 | 221543312221044 |
7 | 16342646601010 |
oct | 2562106443324 |
9 | 585876486201 |
10 | 187118012116 |
11 | 723a1270022 |
12 | 3032153a784 |
13 | 14850529639 |
14 | 90b12b5540 |
15 | 4d02583e61 |
hex | 2b911a46d4 |
187118012116 has 24 divisors (see below), whose sum is σ = 374245262720. Its totient is φ = 80191454112.
The previous prime is 187118012071. The next prime is 187118012131. The reversal of 187118012116 is 611210811781.
It is a super-3 number, since 3×1871180121163 (a number of 35 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 1954666 + ... + 2048158.
Almost surely, 2187118012116 is an apocalyptic number.
It is an amenable number.
187118012116 is an abundant number, since it is smaller than the sum of its proper divisors (187127250604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
187118012116 is a wasteful number, since it uses less digits than its factorization.
187118012116 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 164983 (or 164981 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 37.
Adding to 187118012116 its reverse (611210811781), we get a palindrome (798328823897).
The spelling of 187118012116 in words is "one hundred eighty-seven billion, one hundred eighteen million, twelve thousand, one hundred sixteen".
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