Base | Representation |
---|---|
bin | 110111010100100100… |
… | …1001001010000000000 |
3 | 102100122111122222110012 |
4 | 1232221021021100000 |
5 | 3421301234114210 |
6 | 130324332124052 |
7 | 11404010115413 |
oct | 1565111112000 |
9 | 370574588405 |
10 | 118801863680 |
11 | 46424611615 |
12 | 1b036606628 |
13 | b283bc6276 |
14 | 5a7017db7a |
15 | 3154bd7305 |
hex | 1ba9249400 |
118801863680 has 66 divisors (see below), whose sum is σ = 285044426574. Its totient is φ = 47510880256.
The previous prime is 118801863679. The next prime is 118801863703. The reversal of 118801863680 is 86368108811.
It can be written as a sum of positive squares in 3 ways, for example, as 2897022976 + 115904840704 = 53824^2 + 340448^2 .
It is a super-2 number, since 2×1188018636802 (a number of 23 digits) contains 22 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 (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24660632 + ... + 24665448.
Almost surely, 2118801863680 is an apocalyptic number.
118801863680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 118801863680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142522213287).
118801863680 is an abundant number, since it is smaller than the sum of its proper divisors (166242562894).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
118801863680 is an frugal number, since it uses more digits than its factorization.
118801863680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9659 (or 4824 counting only the distinct ones).
The product of its (nonzero) digits is 442368, while the sum is 50.
The spelling of 118801863680 in words is "one hundred eighteen billion, eight hundred one million, eight hundred sixty-three thousand, six hundred eighty".
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