Base | Representation |
---|---|
bin | 1111100001100… |
… | …01010001110111 |
3 | 100002001010111012 |
4 | 13300301101313 |
5 | 231314202041 |
6 | 20531102435 |
7 | 3140616341 |
oct | 760612167 |
9 | 302033435 |
10 | 130225271 |
11 | 675661a0 |
12 | 37741a1b |
13 | 20c97197 |
14 | 1341c291 |
15 | b6753eb |
hex | 7c31477 |
130225271 has 4 divisors (see below), whose sum is σ = 142063944. Its totient is φ = 118386600.
The previous prime is 130225247. The next prime is 130225273. The reversal of 130225271 is 172522031.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 172522031 = 11 ⋅15683821.
It is a cyclic number.
It is not a de Polignac number, because 130225271 - 214 = 130208887 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130225273) 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, 5919320 + ... + 5919341.
It is an arithmetic number, because the mean of its divisors is an integer number (35515986).
Almost surely, 2130225271 is an apocalyptic number.
130225271 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
130225271 is a deficient number, since it is larger than the sum of its proper divisors (11838673).
130225271 is a wasteful number, since it uses less digits than its factorization.
130225271 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11838672.
The product of its (nonzero) digits is 840, while the sum is 23.
The square root of 130225271 is about 11411.6287619253. The cubic root of 130225271 is about 506.8721425844.
The spelling of 130225271 in words is "one hundred thirty million, two hundred twenty-five thousand, two hundred seventy-one".
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