Base | Representation |
---|---|
bin | 1101011001010100010… |
… | …1111111011100110001 |
3 | 211000000110221010122002 |
4 | 3112111011333130301 |
5 | 12232303432024411 |
6 | 253420012023345 |
7 | 22424644120352 |
oct | 3262505773461 |
9 | 730013833562 |
10 | 230134642481 |
11 | 89666008107 |
12 | 38727761b55 |
13 | 18917566b83 |
14 | b1d2377d29 |
15 | 5ebdce733b |
hex | 359517f731 |
230134642481 has 2 divisors, whose sum is σ = 230134642482. Its totient is φ = 230134642480.
The previous prime is 230134642469. The next prime is 230134642519. The reversal of 230134642481 is 184246431032.
It is a happy number.
It is an a-pointer prime, because the next prime (230134642519) can be obtained adding 230134642481 to its sum of digits (38).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 151519455025 + 78615187456 = 389255^2 + 280384^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-230134642481 is a prime.
It is a super-2 number, since 2×2301346424812 (a number of 24 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (230134642781) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115067321240 + 115067321241.
It is an arithmetic number, because the mean of its divisors is an integer number (115067321241).
Almost surely, 2230134642481 is an apocalyptic number.
It is an amenable number.
230134642481 is a deficient number, since it is larger than the sum of its proper divisors (1).
230134642481 is an equidigital number, since it uses as much as digits as its factorization.
230134642481 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 110592, while the sum is 38.
The spelling of 230134642481 in words is "two hundred thirty billion, one hundred thirty-four million, six hundred forty-two thousand, four hundred eighty-one".
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