Base | Representation |
---|---|
bin | 110010001000… |
… | …000010011110 |
3 | 220201120212100 |
4 | 302020002132 |
5 | 11330441001 |
6 | 1145345530 |
7 | 216455256 |
oct | 62100236 |
9 | 26646770 |
10 | 13140126 |
11 | 746540a |
12 | 44982a6 |
13 | 2950c2c |
14 | 1a60966 |
15 | 1248586 |
hex | c8809e |
13140126 has 24 divisors (see below), whose sum is σ = 28955160. Its totient is φ = 4305456.
The previous prime is 13140109. The next prime is 13140137. The reversal of 13140126 is 62104131.
It is a happy number.
It is a super-2 number, since 2×131401262 = 345325822591752, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 13140099 and 13140108.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5125 + ... + 7248.
It is an arithmetic number, because the mean of its divisors is an integer number (1206465).
Almost surely, 213140126 is an apocalyptic number.
13140126 is an abundant number, since it is smaller than the sum of its proper divisors (15815034).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13140126 is a wasteful number, since it uses less digits than its factorization.
13140126 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12440 (or 12437 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 13140126 is about 3624.9311717604. The cubic root of 13140126 is about 235.9752798966.
Adding to 13140126 its reverse (62104131), we get a palindrome (75244257).
The spelling of 13140126 in words is "thirteen million, one hundred forty thousand, one hundred twenty-six".
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