Base | Representation |
---|---|
bin | 11011011011110… |
… | …00100100101101 |
3 | 121001000220202220 |
4 | 31231320210231 |
5 | 432403211023 |
6 | 34500305553 |
7 | 5463042546 |
oct | 1555704455 |
9 | 531026686 |
10 | 230132013 |
11 | 1089a3651 |
12 | 650a22b9 |
13 | 388a73b7 |
14 | 227c74cd |
15 | 1530c3e3 |
hex | db7892d |
230132013 has 8 divisors (see below), whose sum is σ = 308797728. Its totient is φ = 152443824.
The previous prime is 230131981. The next prime is 230132093. The reversal of 230132013 is 310231032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 230132013 - 25 = 230131981 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 230131983 and 230132001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230132093) 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, 243831 + ... + 244772.
It is an arithmetic number, because the mean of its divisors is an integer number (38599716).
Almost surely, 2230132013 is an apocalyptic number.
It is an amenable number.
230132013 is a deficient number, since it is larger than the sum of its proper divisors (78665715).
230132013 is a wasteful number, since it uses less digits than its factorization.
230132013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 488763.
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 230132013 is about 15170.1026034764. The cubic root of 230132013 is about 612.8097673982.
Adding to 230132013 its reverse (310231032), we get a palindrome (540363045).
The spelling of 230132013 in words is "two hundred thirty million, one hundred thirty-two thousand, thirteen".
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