Base | Representation |
---|---|
bin | 1111011010001… |
… | …11101111011100 |
3 | 100000020112022122 |
4 | 13231013233130 |
5 | 231043044300 |
6 | 20454402112 |
7 | 3126523451 |
oct | 755075734 |
9 | 300215278 |
10 | 129268700 |
11 | 66a72540 |
12 | 37360338 |
13 | 20a20972 |
14 | 1324d828 |
15 | b536c85 |
hex | 7b47bdc |
129268700 has 36 divisors (see below), whose sum is σ = 306016872. Its totient is φ = 47006400.
The previous prime is 129268693. The next prime is 129268703. The reversal of 129268700 is 7862921.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (129268703) 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, 57659 + ... + 59858.
Almost surely, 2129268700 is an apocalyptic number.
129268700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
129268700 is an abundant number, since it is smaller than the sum of its proper divisors (176748172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
129268700 is a wasteful number, since it uses less digits than its factorization.
129268700 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117542 (or 117535 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 35.
The square root of 129268700 is about 11369.6393962166. The cubic root of 129268700 is about 505.6280132475.
The spelling of 129268700 in words is "one hundred twenty-nine million, two hundred sixty-eight thousand, seven hundred".
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