Base | Representation |
---|---|
bin | 1000010100000000… |
… | …1110110100110101 |
3 | 12202111211102010100 |
4 | 2011000032310311 |
5 | 14032221233303 |
6 | 1005231144313 |
7 | 106203563100 |
oct | 20500166465 |
9 | 5674742110 |
10 | 2231430453 |
11 | a456477aa |
12 | 523375099 |
13 | 2973b7765 |
14 | 1724dd737 |
15 | d0d798a3 |
hex | 8500ed35 |
2231430453 has 72 divisors (see below), whose sum is σ = 3869087040. Its totient is φ = 1234880640.
The previous prime is 2231430413. The next prime is 2231430469. The reversal of 2231430453 is 3540341322.
2231430453 is a `hidden beast` number, since 223 + 1 + 430 + 4 + 5 + 3 = 666.
It is not a de Polignac number, because 2231430453 - 222 = 2227236149 is a prime.
It is a super-3 number, since 3×22314304533 (a number of 29 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2231430413) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3019158 + ... + 3019896.
It is an arithmetic number, because the mean of its divisors is an integer number (53737320).
Almost surely, 22231430453 is an apocalyptic number.
It is an amenable number.
2231430453 is a deficient number, since it is larger than the sum of its proper divisors (1637656587).
2231430453 is a wasteful number, since it uses less digits than its factorization.
2231430453 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 967 (or 957 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 27.
The square root of 2231430453 is about 47238.0191477162. The cubic root of 2231430453 is about 1306.7558467336.
Adding to 2231430453 its reverse (3540341322), we get a palindrome (5771771775).
The spelling of 2231430453 in words is "two billion, two hundred thirty-one million, four hundred thirty thousand, four hundred fifty-three".
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