Base | Representation |
---|---|
bin | 1101011110100100101… |
… | …1110011111011110011 |
3 | 211010122210121210122112 |
4 | 3113221023303323303 |
5 | 12243201114014243 |
6 | 254212010355535 |
7 | 22504624613411 |
oct | 3275113637363 |
9 | 733583553575 |
10 | 231545454323 |
11 | 8a21a410a07 |
12 | 38a6012bbab |
13 | 18ab092c891 |
14 | b2c78a22b1 |
15 | 6052ac5818 |
hex | 35e92f3ef3 |
231545454323 has 8 divisors (see below), whose sum is σ = 231984456192. Its totient is φ = 231106704136.
The previous prime is 231545454313. The next prime is 231545454353. The reversal of 231545454323 is 323454545132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 231545454323 - 28 = 231545454067 is a prime.
It is a super-2 number, since 2×2315454543232 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (231545454313) 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, 1832636 + ... + 1954902.
It is an arithmetic number, because the mean of its divisors is an integer number (28998057024).
Almost surely, 2231545454323 is an apocalyptic number.
231545454323 is a deficient number, since it is larger than the sum of its proper divisors (439001869).
231545454323 is a wasteful number, since it uses less digits than its factorization.
231545454323 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 125841.
The product of its digits is 864000, while the sum is 41.
Adding to 231545454323 its reverse (323454545132), we get a palindrome (554999999455).
The spelling of 231545454323 in words is "two hundred thirty-one billion, five hundred forty-five million, four hundred fifty-four thousand, three hundred twenty-three".
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