Base | Representation |
---|---|
bin | 1111011001110… |
… | …10100111101000 |
3 | 100000010210120222 |
4 | 13230322213220 |
5 | 231034334302 |
6 | 20453305212 |
7 | 3126210656 |
oct | 754724750 |
9 | 300123528 |
10 | 129214952 |
11 | 66a36119 |
12 | 37335208 |
13 | 20a02369 |
14 | 13237dd6 |
15 | b525da2 |
hex | 7b3a9e8 |
129214952 has 32 divisors (see below), whose sum is σ = 257423400. Its totient is φ = 60689664.
The previous prime is 129214949. The next prime is 129214973. The reversal of 129214952 is 259412921.
It can be written as a sum of positive squares in 4 ways, for example, as 126922756 + 2292196 = 11266^2 + 1514^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1058 + ... + 16110.
Almost surely, 2129214952 is an apocalyptic number.
It is an amenable number.
129214952 is a deficient number, since it is larger than the sum of its proper divisors (128208448).
129214952 is a wasteful number, since it uses less digits than its factorization.
129214952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15125 (or 15121 counting only the distinct ones).
The product of its digits is 12960, while the sum is 35.
The square root of 129214952 is about 11367.2754871165. The cubic root of 129214952 is about 505.5579260007.
The spelling of 129214952 in words is "one hundred twenty-nine million, two hundred fourteen thousand, nine hundred fifty-two".
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