Base | Representation |
---|---|
bin | 110001110111111011… |
… | …0111110110100000001 |
3 | 101020110012220120120000 |
4 | 1203233312332310001 |
5 | 3223321431222120 |
6 | 121111433110213 |
7 | 10511056506210 |
oct | 1435766766401 |
9 | 336405816500 |
10 | 107103382785 |
11 | 41471081793 |
12 | 18910858369 |
13 | a13b371b19 |
14 | 528060d077 |
15 | 2bbcb75990 |
hex | 18efdbed01 |
107103382785 has 40 divisors (see below), whose sum is σ = 219420269376. Its totient is φ = 48961545120.
The previous prime is 107103382781. The next prime is 107103382801. The reversal of 107103382785 is 587283301701.
It is not a de Polignac number, because 107103382785 - 22 = 107103382781 is a prime.
It is a super-2 number, since 2×1071033827852 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 107103382785.
It is not an unprimeable number, because it can be changed into a prime (107103382781) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18886651 + ... + 18892320.
Almost surely, 2107103382785 is an apocalyptic number.
107103382785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
107103382785 is an abundant number, since it is smaller than the sum of its proper divisors (112316886591).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
107103382785 is an equidigital number, since it uses as much as digits as its factorization.
107103382785 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37778995 (or 37778986 counting only the distinct ones).
The product of its (nonzero) digits is 282240, while the sum is 45.
The spelling of 107103382785 in words is "one hundred seven billion, one hundred three million, three hundred eighty-two thousand, seven hundred eighty-five".
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