Base | Representation |
---|---|
bin | 1100110100000011000… |
… | …1011011011011110101 |
3 | 210001012020111020020001 |
4 | 3031000301123123311 |
5 | 12101311242000344 |
6 | 245043142311301 |
7 | 21622012252024 |
oct | 3150061333365 |
9 | 701166436201 |
10 | 220130031349 |
11 | 853a1733748 |
12 | 367b5128531 |
13 | 179b1923927 |
14 | a9237748bb |
15 | 5ad5827ed4 |
hex | 3340c5b6f5 |
220130031349 has 2 divisors, whose sum is σ = 220130031350. Its totient is φ = 220130031348.
The previous prime is 220130031263. The next prime is 220130031377. The reversal of 220130031349 is 943130031022.
It is an a-pointer prime, because the next prime (220130031377) can be obtained adding 220130031349 to its sum of digits (28).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 219347039025 + 782992324 = 468345^2 + 27982^2 .
It is a cyclic number.
It is not a de Polignac number, because 220130031349 - 27 = 220130031221 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (220130431349) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110065015674 + 110065015675.
It is an arithmetic number, because the mean of its divisors is an integer number (110065015675).
Almost surely, 2220130031349 is an apocalyptic number.
It is an amenable number.
220130031349 is a deficient number, since it is larger than the sum of its proper divisors (1).
220130031349 is an equidigital number, since it uses as much as digits as its factorization.
220130031349 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3888, while the sum is 28.
The spelling of 220130031349 in words is "two hundred twenty billion, one hundred thirty million, thirty-one thousand, three hundred forty-nine".
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