Base | Representation |
---|---|
bin | 1111101011101… |
… | …01001100001101 |
3 | 100011112112102210 |
4 | 13311311030031 |
5 | 232134131023 |
6 | 21015341033 |
7 | 3155113365 |
oct | 765651415 |
9 | 304475383 |
10 | 131552013 |
11 | 68291a7a |
12 | 38081779 |
13 | 21340038 |
14 | 136859a5 |
15 | b838593 |
hex | 7d7530d |
131552013 has 16 divisors (see below), whose sum is σ = 179536896. Its totient is φ = 85642800.
The previous prime is 131552011. The next prime is 131552017. The reversal of 131552013 is 310255131.
It is not a de Polignac number, because 131552013 - 21 = 131552011 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131552011) 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, 89938 + ... + 91388.
It is an arithmetic number, because the mean of its divisors is an integer number (11221056).
Almost surely, 2131552013 is an apocalyptic number.
It is an amenable number.
131552013 is a deficient number, since it is larger than the sum of its proper divisors (47984883).
131552013 is a wasteful number, since it uses less digits than its factorization.
131552013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2144.
The product of its (nonzero) digits is 450, while the sum is 21.
The square root of 131552013 is about 11469.6125915394. The cubic root of 131552013 is about 508.5876765231.
The spelling of 131552013 in words is "one hundred thirty-one million, five hundred fifty-two thousand, thirteen".
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