Base | Representation |
---|---|
bin | 10101110101111010… |
… | …110010000101000111 |
3 | 2020112111021222222212 |
4 | 111311322302011013 |
5 | 341013003231411 |
6 | 14435123014035 |
7 | 1460122512515 |
oct | 256572620507 |
9 | 66474258885 |
10 | 23453180231 |
11 | 9a45788488 |
12 | 466650a31b |
13 | 2299c30550 |
14 | 11c6b774b5 |
15 | 923eca68b |
hex | 575eb2147 |
23453180231 has 16 divisors (see below), whose sum is σ = 26365006080. Its totient is φ = 20715298560.
The previous prime is 23453180227. The next prime is 23453180239. The reversal of 23453180231 is 13208135432.
It is a cyclic number.
It is not a de Polignac number, because 23453180231 - 22 = 23453180227 is a prime.
It is a super-2 number, since 2×234531802312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23453180239) 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 15 ways as a sum of consecutive naturals, for example, 291080 + ... + 362813.
It is an arithmetic number, because the mean of its divisors is an integer number (1647812880).
Almost surely, 223453180231 is an apocalyptic number.
23453180231 is a deficient number, since it is larger than the sum of its proper divisors (2911825849).
23453180231 is a wasteful number, since it uses less digits than its factorization.
23453180231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 654026.
The product of its (nonzero) digits is 17280, while the sum is 32.
The spelling of 23453180231 in words is "twenty-three billion, four hundred fifty-three million, one hundred eighty thousand, two hundred thirty-one".
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