Base | Representation |
---|---|
bin | 1101011101101010101… |
… | …1111000001100000001 |
3 | 211010000211220022100102 |
4 | 3113122223320030001 |
5 | 12242201330431423 |
6 | 254131520532145 |
7 | 22465612164323 |
oct | 3273253701401 |
9 | 733024808312 |
10 | 231302202113 |
11 | 8a105076a24 |
12 | 389b2781055 |
13 | 18a72410668 |
14 | b2a3461613 |
15 | 603b575c28 |
hex | 35daaf8301 |
231302202113 has 32 divisors (see below), whose sum is σ = 253207607040. Its totient is φ = 210470400000.
The previous prime is 231302202107. The next prime is 231302202133. The reversal of 231302202113 is 311202203132.
231302202113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 231302202113 - 26 = 231302202049 is a prime.
It is not an unprimeable number, because it can be changed into a prime (231302202133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15289193 + ... + 15304313.
It is an arithmetic number, because the mean of its divisors is an integer number (7912737720).
Almost surely, 2231302202113 is an apocalyptic number.
It is an amenable number.
231302202113 is a deficient number, since it is larger than the sum of its proper divisors (21905404927).
231302202113 is a wasteful number, since it uses less digits than its factorization.
231302202113 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15449.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 231302202113 its reverse (311202203132), we get a palindrome (542504405245).
The spelling of 231302202113 in words is "two hundred thirty-one billion, three hundred two million, two hundred two thousand, one hundred thirteen".
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