Base | Representation |
---|---|
bin | 1101011001011111010… |
… | …0010001111100011011 |
3 | 211000010122220100220020 |
4 | 3112113310101330123 |
5 | 12232402131100131 |
6 | 253424323201523 |
7 | 22426040351031 |
oct | 3262764217433 |
9 | 730118810806 |
10 | 230180331291 |
11 | 89689883859 |
12 | 3873ab162a3 |
13 | 18923b72b81 |
14 | b1d846c551 |
15 | 5ec2d1e996 |
hex | 3597d11f1b |
230180331291 has 4 divisors (see below), whose sum is σ = 306907108392. Its totient is φ = 153453554192.
The previous prime is 230180331289. The next prime is 230180331317. The reversal of 230180331291 is 192133081032.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 230180331291 - 21 = 230180331289 is a prime.
It is not an unprimeable number, because it can be changed into a prime (230180331691) 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, 38363388546 + ... + 38363388551.
It is an arithmetic number, because the mean of its divisors is an integer number (76726777098).
Almost surely, 2230180331291 is an apocalyptic number.
230180331291 is a deficient number, since it is larger than the sum of its proper divisors (76726777101).
230180331291 is an equidigital number, since it uses as much as digits as its factorization.
230180331291 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76726777100.
The product of its (nonzero) digits is 7776, while the sum is 33.
The spelling of 230180331291 in words is "two hundred thirty billion, one hundred eighty million, three hundred thirty-one thousand, two hundred ninety-one".
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