Base | Representation |
---|---|
bin | 1111111111011… |
… | …10000011111011 |
3 | 100100102020022121 |
4 | 13333232003323 |
5 | 233320104001 |
6 | 21151102111 |
7 | 3216131053 |
oct | 777560373 |
9 | 310366277 |
10 | 134144251 |
11 | 697a261a |
12 | 38b11937 |
13 | 21a39bc7 |
14 | 13b5c563 |
15 | bb9b6a1 |
hex | 7fee0fb |
134144251 has 16 divisors (see below), whose sum is σ = 142571520. Its totient is φ = 126054720.
The previous prime is 134144249. The next prime is 134144267. The reversal of 134144251 is 152441431.
It is a cyclic number.
It is not a de Polignac number, because 134144251 - 21 = 134144249 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (134144201) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128590 + ... + 129628.
It is an arithmetic number, because the mean of its divisors is an integer number (8910720).
Almost surely, 2134144251 is an apocalyptic number.
134144251 is a deficient number, since it is larger than the sum of its proper divisors (8427269).
134144251 is a wasteful number, since it uses less digits than its factorization.
134144251 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1194.
The product of its digits is 1920, while the sum is 25.
The square root of 134144251 is about 11582.0659210695. The cubic root of 134144251 is about 511.9065521084.
Adding to 134144251 its reverse (152441431), we get a palindrome (286585682).
The spelling of 134144251 in words is "one hundred thirty-four million, one hundred forty-four thousand, two hundred fifty-one".
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