Base | Representation |
---|---|
bin | 1111100111110… |
… | …01000011100001 |
3 | 100010120200221221 |
4 | 13303321003201 |
5 | 232021343203 |
6 | 21000415041 |
7 | 3150565114 |
oct | 763710341 |
9 | 303520857 |
10 | 131043553 |
11 | 67a74a63 |
12 | 37a77481 |
13 | 211c2784 |
14 | 1359257b |
15 | b787abd |
hex | 7cf90e1 |
131043553 has 8 divisors (see below), whose sum is σ = 132435968. Its totient is φ = 129657024.
The previous prime is 131043533. The next prime is 131043557. The reversal of 131043553 is 355340131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131043553 - 29 = 131043041 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131043557) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53800 + ... + 56182.
It is an arithmetic number, because the mean of its divisors is an integer number (16554496).
Almost surely, 2131043553 is an apocalyptic number.
It is an amenable number.
131043553 is a deficient number, since it is larger than the sum of its proper divisors (1392415).
131043553 is a wasteful number, since it uses less digits than its factorization.
131043553 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2943.
The product of its (nonzero) digits is 2700, while the sum is 25.
The square root of 131043553 is about 11447.4256057858. The cubic root of 131043553 is about 507.9315852749.
Adding to 131043553 its reverse (355340131), we get a palindrome (486383684).
The spelling of 131043553 in words is "one hundred thirty-one million, forty-three thousand, five hundred fifty-three".
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