Base | Representation |
---|---|
bin | 110001111110… |
… | …101010011101 |
3 | 220122122012002 |
4 | 301332222131 |
5 | 11323223400 |
6 | 1144452045 |
7 | 216235310 |
oct | 61765235 |
9 | 26578162 |
10 | 13101725 |
11 | 743957a |
12 | 447a025 |
13 | 2939600 |
14 | 1a50977 |
15 | 123bed5 |
hex | c7ea9d |
13101725 has 36 divisors (see below), whose sum is σ = 20150496. Its totient is φ = 8274240.
The previous prime is 13101689. The next prime is 13101727. The reversal of 13101725 is 52710131.
It is not a de Polignac number, because 13101725 - 26 = 13101661 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13101697 and 13101706.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13101727) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 29354 + ... + 29796.
It is an arithmetic number, because the mean of its divisors is an integer number (559736).
Almost surely, 213101725 is an apocalyptic number.
It is an amenable number.
13101725 is a deficient number, since it is larger than the sum of its proper divisors (7048771).
13101725 is a wasteful number, since it uses less digits than its factorization.
13101725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 486 (or 468 counting only the distinct ones).
The product of its (nonzero) digits is 210, while the sum is 20.
The square root of 13101725 is about 3619.6305060047. The cubic root of 13101725 is about 235.7451824470.
Adding to 13101725 its reverse (52710131), we get a palindrome (65811856).
The spelling of 13101725 in words is "thirteen million, one hundred one thousand, seven hundred twenty-five".
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