Base | Representation |
---|---|
bin | 1100110101001000010… |
… | …0000100011001110111 |
3 | 210001221110100210100012 |
4 | 3031102010010121313 |
5 | 12102410023133143 |
6 | 245132024210435 |
7 | 21632134123643 |
oct | 3152204043167 |
9 | 701843323305 |
10 | 220420130423 |
11 | 85530465449 |
12 | 36876309a1b |
13 | 17a29a65c9c |
14 | a9500cbc23 |
15 | 5b0102d418 |
hex | 3352104677 |
220420130423 has 8 divisors (see below), whose sum is σ = 225131079360. Its totient is φ = 215710063200.
The previous prime is 220420130417. The next prime is 220420130461. The reversal of 220420130423 is 324031024022.
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 220420130423 - 222 = 220415936119 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220420130023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297773 + ... + 727673.
It is an arithmetic number, because the mean of its divisors is an integer number (28141384920).
Almost surely, 2220420130423 is an apocalyptic number.
220420130423 is a deficient number, since it is larger than the sum of its proper divisors (4710948937).
220420130423 is a wasteful number, since it uses less digits than its factorization.
220420130423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 440857.
The product of its (nonzero) digits is 2304, while the sum is 23.
Adding to 220420130423 its reverse (324031024022), we get a palindrome (544451154445).
The spelling of 220420130423 in words is "two hundred twenty billion, four hundred twenty million, one hundred thirty thousand, four hundred twenty-three".
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