Base | Representation |
---|---|
bin | 1100110100000011000… |
… | …1011011011011010001 |
3 | 210001012020111020011201 |
4 | 3031000301123123101 |
5 | 12101311242000223 |
6 | 245043142311201 |
7 | 21622012251643 |
oct | 3150061333321 |
9 | 701166436151 |
10 | 220130031313 |
11 | 853a1733715 |
12 | 367b5128501 |
13 | 179b19238ca |
14 | a923774893 |
15 | 5ad5827ead |
hex | 3340c5b6d1 |
220130031313 has 8 divisors (see below), whose sum is σ = 223166809800. Its totient is φ = 217093828608.
The previous prime is 220130031263. The next prime is 220130031349. The reversal of 220130031313 is 313130031022.
It can be written as a sum of positive squares in 4 ways, for example, as 11416281409 + 208713749904 = 106847^2 + 456852^2 .
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 220130031313 - 29 = 220130030801 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (220130331313) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656433 + ... + 933361.
It is an arithmetic number, because the mean of its divisors is an integer number (27895851225).
Almost surely, 2220130031313 is an apocalyptic number.
It is an amenable number.
220130031313 is a deficient number, since it is larger than the sum of its proper divisors (3036778487).
220130031313 is a wasteful number, since it uses less digits than its factorization.
220130031313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 287891.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 220130031313 its reverse (313130031022), we get a palindrome (533260062335).
The spelling of 220130031313 in words is "two hundred twenty billion, one hundred thirty million, thirty-one thousand, three hundred thirteen".
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