Base | Representation |
---|---|
bin | 1100001111000111001… |
… | …10000011101010110001 |
3 | 1111012012111122200221000 |
4 | 12013203212003222301 |
5 | 23342020114412431 |
6 | 521050514552213 |
7 | 42242440003215 |
oct | 6074346035261 |
9 | 1435174580830 |
10 | 420430232241 |
11 | 1523379a6258 |
12 | 69595298669 |
13 | 308531b1166 |
14 | 164c567c945 |
15 | ae0a2ea9e6 |
hex | 61e3983ab1 |
420430232241 has 16 divisors (see below), whose sum is σ = 625157989120. Its totient is φ = 279252547920.
The previous prime is 420430232219. The next prime is 420430232273. The reversal of 420430232241 is 142232034024.
420430232241 is a `hidden beast` number, since 4 + 2 + 0 + 430 + 2 + 3 + 224 + 1 = 666.
It is not a de Polignac number, because 420430232241 - 27 = 420430232113 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (420430232281) 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, 28722370 + ... + 28737003.
It is an arithmetic number, because the mean of its divisors is an integer number (39072374320).
Almost surely, 2420430232241 is an apocalyptic number.
It is an amenable number.
420430232241 is a deficient number, since it is larger than the sum of its proper divisors (204727756879).
420430232241 is a wasteful number, since it uses less digits than its factorization.
420430232241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57459653 (or 57459647 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 27.
Adding to 420430232241 its reverse (142232034024), we get a palindrome (562662266265).
The spelling of 420430232241 in words is "four hundred twenty billion, four hundred thirty million, two hundred thirty-two thousand, two hundred forty-one".
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