Base | Representation |
---|---|
bin | 110001110010… |
… | …010100000100 |
3 | 220120001210120 |
4 | 301302110010 |
5 | 11320114030 |
6 | 1143421540 |
7 | 215634654 |
oct | 61622404 |
9 | 26501716 |
10 | 13051140 |
11 | 7404573 |
12 | 44548b0 |
13 | 291c58b |
14 | 1a3a364 |
15 | 122c010 |
hex | c72504 |
13051140 has 24 divisors (see below), whose sum is σ = 36543360. Its totient is φ = 3480288.
The previous prime is 13051139. The next prime is 13051141. The reversal of 13051140 is 4115031.
13051140 = T739 + T740 + ... + T783.
It is an interprime number because it is at equal distance from previous prime (13051139) and next prime (13051141).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is not an unprimeable number, because it can be changed into a prime (13051141) 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, 108700 + ... + 108819.
It is an arithmetic number, because the mean of its divisors is an integer number (1522640).
Almost surely, 213051140 is an apocalyptic number.
13051140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13051140 is an abundant number, since it is smaller than the sum of its proper divisors (23492220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13051140 is a wasteful number, since it uses less digits than its factorization.
13051140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 217531 (or 217529 counting only the distinct ones).
The product of its (nonzero) digits is 60, while the sum is 15.
The square root of 13051140 is about 3612.6361566037. The cubic root of 13051140 is about 235.4413916479.
Adding to 13051140 its reverse (4115031), we get a palindrome (17166171).
The spelling of 13051140 in words is "thirteen million, fifty-one thousand, one hundred forty".
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