Base | Representation |
---|---|
bin | 11000100110110000… |
… | …01001111110100000 |
3 | 1021002121221121002212 |
4 | 30103120021332200 |
5 | 204023230020222 |
6 | 10022452101252 |
7 | 645233105234 |
oct | 142330117640 |
9 | 37077847085 |
10 | 13210001312 |
11 | 5669779562 |
12 | 2688004828 |
13 | 1326a4b331 |
14 | 8d45d25c4 |
15 | 524ad46e2 |
hex | 313609fa0 |
13210001312 has 12 divisors (see below), whose sum is σ = 26007190146. Its totient is φ = 6605000640.
The previous prime is 13210001281. The next prime is 13210001383. The reversal of 13210001312 is 21310001231.
It can be written as a sum of positive squares in only one way, i.e., 10404816016 + 2805185296 = 102004^2 + 52964^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206406239 + ... + 206406302.
Almost surely, 213210001312 is an apocalyptic number.
It is an amenable number.
13210001312 is a deficient number, since it is larger than the sum of its proper divisors (12797188834).
13210001312 is an equidigital number, since it uses as much as digits as its factorization.
13210001312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 412812551 (or 412812543 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 13210001312 its reverse (21310001231), we get a palindrome (34520002543).
The spelling of 13210001312 in words is "thirteen billion, two hundred ten million, one thousand, three hundred twelve".
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