Base | Representation |
---|---|
bin | 1111011000011… |
… | …11001011111000 |
3 | 22222210202112221 |
4 | 13230033023320 |
5 | 231013141143 |
6 | 20445413424 |
7 | 3124540210 |
oct | 754171370 |
9 | 288722487 |
10 | 129037048 |
11 | 66924498 |
12 | 3726a274 |
13 | 2096c3aa |
14 | 131cd240 |
15 | b4dd2ed |
hex | 7b0f2f8 |
129037048 has 16 divisors (see below), whose sum is σ = 276508080. Its totient is φ = 55301568.
The previous prime is 129037039. The next prime is 129037049. The reversal of 129037048 is 840730921.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (129037049) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1152061 + ... + 1152172.
It is an arithmetic number, because the mean of its divisors is an integer number (17281755).
Almost surely, 2129037048 is an apocalyptic number.
It is an amenable number.
129037048 is an abundant number, since it is smaller than the sum of its proper divisors (147471032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
129037048 is a wasteful number, since it uses less digits than its factorization.
129037048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2304246 (or 2304242 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 34.
The square root of 129037048 is about 11359.4475217768. The cubic root of 129037048 is about 505.3258009396.
Adding to 129037048 its reverse (840730921), we get a palindrome (969767969).
The spelling of 129037048 in words is "one hundred twenty-nine million, thirty-seven thousand, forty-eight".
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