Base | Representation |
---|---|
bin | 110010001011101111… |
… | …1011001001001001010 |
3 | 101022011120001020210100 |
4 | 1210113133121021022 |
5 | 3231202140202233 |
6 | 121301424230230 |
7 | 10533412221642 |
oct | 1442737311112 |
9 | 338146036710 |
10 | 107768287818 |
11 | 41782430784 |
12 | 18a7746b376 |
13 | a216044159 |
14 | 5304a4d522 |
15 | 2c0b214813 |
hex | 19177d924a |
107768287818 has 48 divisors (see below), whose sum is σ = 241484705280. Its totient is φ = 34713383328.
The previous prime is 107768287789. The next prime is 107768287819. The reversal of 107768287818 is 818782867701.
It is a super-2 number, since 2×1077682878182 (a number of 23 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (107768287819) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 739405 + ... + 873072.
It is an arithmetic number, because the mean of its divisors is an integer number (5030931360).
Almost surely, 2107768287818 is an apocalyptic number.
107768287818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
107768287818 is an abundant number, since it is smaller than the sum of its proper divisors (133716417462).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
107768287818 is a wasteful number, since it uses less digits than its factorization.
107768287818 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1612611 (or 1612608 counting only the distinct ones).
The product of its (nonzero) digits is 16859136, while the sum is 63.
The spelling of 107768287818 in words is "one hundred seven billion, seven hundred sixty-eight million, two hundred eighty-seven thousand, eight hundred eighteen".
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