Base | Representation |
---|---|
bin | 11000101000010100… |
… | …01100110110111001 |
3 | 1021010112122002222210 |
4 | 30110022030312321 |
5 | 204040104322223 |
6 | 10024041205333 |
7 | 645452445114 |
oct | 142412146671 |
9 | 37115562883 |
10 | 13223120313 |
11 | 567611a007 |
12 | 2690490849 |
13 | 1329692760 |
14 | 8d624957b |
15 | 525d26893 |
hex | 31428cdb9 |
13223120313 has 8 divisors (see below), whose sum is σ = 18987044608. Its totient is φ = 8137304784.
The previous prime is 13223120303. The next prime is 13223120321. The reversal of 13223120313 is 31302132231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13223120313 - 213 = 13223112121 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13223120313.
It is not an unprimeable number, because it can be changed into a prime (13223120303) 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, 169527145 + ... + 169527222.
It is an arithmetic number, because the mean of its divisors is an integer number (2373380576).
Almost surely, 213223120313 is an apocalyptic number.
13223120313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
13223120313 is a deficient number, since it is larger than the sum of its proper divisors (5763924295).
13223120313 is a wasteful number, since it uses less digits than its factorization.
13223120313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 339054383.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 13223120313 its reverse (31302132231), we get a palindrome (44525252544).
The spelling of 13223120313 in words is "thirteen billion, two hundred twenty-three million, one hundred twenty thousand, three hundred thirteen".
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