Base | Representation |
---|---|
bin | 11000011000111010… |
… | …01110001101111010 |
3 | 1020210112110110210210 |
4 | 30030131032031322 |
5 | 203304013421030 |
6 | 10003143251550 |
7 | 642323135115 |
oct | 141435161572 |
9 | 36715413723 |
10 | 13093888890 |
11 | 560a182585 |
12 | 2655149bb6 |
13 | 1308985a64 |
14 | 8c300957c |
15 | 5197eabb0 |
hex | 30c74e37a |
13093888890 has 32 divisors (see below), whose sum is σ = 32508967680. Its totient is φ = 3371299904.
The previous prime is 13093888867. The next prime is 13093888897. The reversal of 13093888890 is 9888839031.
It is a self number, because there is not a number n which added to its sum of digits gives 13093888890.
It is not an unprimeable number, because it can be changed into a prime (13093888897) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7524354 + ... + 7526093.
It is an arithmetic number, because the mean of its divisors is an integer number (1015905240).
Almost surely, 213093888890 is an apocalyptic number.
13093888890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13093888890 is an abundant number, since it is smaller than the sum of its proper divisors (19415078790).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13093888890 is a wasteful number, since it uses less digits than its factorization.
13093888890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15050486.
The product of its (nonzero) digits is 2985984, while the sum is 57.
The spelling of 13093888890 in words is "thirteen billion, ninety-three million, eight hundred eighty-eight thousand, eight hundred ninety".
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