Base | Representation |
---|---|
bin | 110100010100110110011000… |
… | …100111100111111100000101 |
3 | 1010011211022212020022111220012 |
4 | 310110312120213213330011 |
5 | 220130432201010223023 |
6 | 2133240452032520005 |
7 | 66321300514632146 |
oct | 6424663047477405 |
9 | 1104738766274805 |
10 | 230131203211013 |
11 | 673661057827a5 |
12 | 21988b763b0005 |
13 | 9b5438294c820 |
14 | 40b85a41a3acd |
15 | 1b9139264d978 |
hex | d14d989e7f05 |
230131203211013 has 16 divisors (see below), whose sum is σ = 249821361174000. Its totient is φ = 210728718581760.
The previous prime is 230131203211001. The next prime is 230131203211103. The reversal of 230131203211013 is 310112302131032.
It can be written as a sum of positive squares in 8 ways, for example, as 41865856166689 + 188265347044324 = 6470383^2 + 13720982^2 .
It is a cyclic number.
It is not a de Polignac number, because 230131203211013 - 210 = 230131203209989 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 230131203211013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230131203211513) 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, 75758858 + ... + 78737963.
It is an arithmetic number, because the mean of its divisors is an integer number (15613835073375).
Almost surely, 2230131203211013 is an apocalyptic number.
It is an amenable number.
230131203211013 is a deficient number, since it is larger than the sum of its proper divisors (19690157962987).
230131203211013 is a wasteful number, since it uses less digits than its factorization.
230131203211013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 154497752.
The product of its (nonzero) digits is 648, while the sum is 23.
Adding to 230131203211013 its reverse (310112302131032), we get a palindrome (540243505342045).
The spelling of 230131203211013 in words is "two hundred thirty trillion, one hundred thirty-one billion, two hundred three million, two hundred eleven thousand, thirteen".
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