Base | Representation |
---|---|
bin | 1101011001010011100… |
… | …0110111101111000100 |
3 | 211000000020110101120100 |
4 | 3112110320313233010 |
5 | 12232302041444022 |
6 | 253415410204100 |
7 | 22424602643634 |
oct | 3262470675704 |
9 | 730006411510 |
10 | 230131203012 |
11 | 89664078a77 |
12 | 38726583630 |
13 | 18916931499 |
14 | b1d1b206c4 |
15 | 5ebd8681ac |
hex | 3594e37bc4 |
230131203012 has 72 divisors (see below), whose sum is σ = 583850554560. Its totient is φ = 76429995840.
The previous prime is 230131203007. The next prime is 230131203019. The reversal of 230131203012 is 210302131032.
230131203012 is a `hidden beast` number, since 230 + 13 + 120 + 301 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (230131203019) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12374673 + ... + 12393255.
It is an arithmetic number, because the mean of its divisors is an integer number (8109035480).
Almost surely, 2230131203012 is an apocalyptic number.
It is an amenable number.
230131203012 is an abundant number, since it is smaller than the sum of its proper divisors (353719351548).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230131203012 is a wasteful number, since it uses less digits than its factorization.
230131203012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19833 (or 19828 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 230131203012 its reverse (210302131032), we get a palindrome (440433334044).
The spelling of 230131203012 in words is "two hundred thirty billion, one hundred thirty-one million, two hundred three thousand, twelve".
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