Base | Representation |
---|---|
bin | 110101000101… |
… | …111110110010 |
3 | 222012010002022 |
4 | 311011332302 |
5 | 12030340010 |
6 | 1214151442 |
7 | 226205432 |
oct | 65057662 |
9 | 28163068 |
10 | 13918130 |
11 | 7946996 |
12 | 47b2582 |
13 | 2b640a5 |
14 | 1bc42c2 |
15 | 134dd55 |
hex | d45fb2 |
13918130 has 16 divisors (see below), whose sum is σ = 25406784. Its totient is φ = 5488560.
The previous prime is 13918129. The next prime is 13918133. The reversal of 13918130 is 3181931.
It is a self number, because there is not a number n which added to its sum of digits gives 13918130.
It is not an unprimeable number, because it can be changed into a prime (13918133) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9092 + ... + 10511.
It is an arithmetic number, because the mean of its divisors is an integer number (1587924).
Almost surely, 213918130 is an apocalyptic number.
13918130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13918130 is a deficient number, since it is larger than the sum of its proper divisors (11488654).
13918130 is a wasteful number, since it uses less digits than its factorization.
13918130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19681.
The product of its (nonzero) digits is 648, while the sum is 26.
The square root of 13918130 is about 3730.7010065134. The cubic root of 13918130 is about 240.5435020568.
The spelling of 13918130 in words is "thirteen million, nine hundred eighteen thousand, one hundred thirty".
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