Base | Representation |
---|---|
bin | 100110111000… |
… | …101111111001 |
3 | 201011220102100 |
4 | 212320233321 |
5 | 10102201123 |
6 | 1002254013 |
7 | 152434602 |
oct | 46705771 |
9 | 21156370 |
10 | 10193913 |
11 | 5832924 |
12 | 34b7309 |
13 | 215bc02 |
14 | 14d4da9 |
15 | d65643 |
hex | 9b8bf9 |
10193913 has 12 divisors (see below), whose sum is σ = 14772628. Its totient is φ = 6773760.
The previous prime is 10193903. The next prime is 10193921. The reversal of 10193913 is 31939101.
It can be written as a sum of positive squares in 2 ways, for example, as 5212089 + 4981824 = 2283^2 + 2232^2 .
It is not a de Polignac number, because 10193913 - 218 = 9931769 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10193903) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1353 + ... + 4713.
Almost surely, 210193913 is an apocalyptic number.
It is an amenable number.
10193913 is a deficient number, since it is larger than the sum of its proper divisors (4578715).
10193913 is a wasteful number, since it uses less digits than its factorization.
10193913 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3704 (or 3701 counting only the distinct ones).
The product of its (nonzero) digits is 729, while the sum is 27.
The square root of 10193913 is about 3192.7907855041. The cubic root of 10193913 is about 216.8271397627.
The spelling of 10193913 in words is "ten million, one hundred ninety-three thousand, nine hundred thirteen".
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