Base | Representation |
---|---|
bin | 1001100110000110001110… |
… | …10011110010001101001001 |
3 | 2202201011100211112112101010 |
4 | 10303003013103302031021 |
5 | 10231201224120212223 |
6 | 112513150403514133 |
7 | 4305304126013232 |
oct | 463030723621511 |
9 | 82634324475333 |
10 | 21100223210313 |
11 | 67a5610a14265 |
12 | 2449446088949 |
13 | ba09863b1a00 |
14 | 52d38322a089 |
15 | 268cea228393 |
hex | 1330c74f2349 |
21100223210313 has 48 divisors (see below), whose sum is σ = 31448663161344. Its totient is φ = 12565203056640.
The previous prime is 21100223210267. The next prime is 21100223210323. The reversal of 21100223210313 is 31301232200112.
It is not a de Polignac number, because 21100223210313 - 29 = 21100223209801 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 21100223210313.
It is not an unprimeable number, because it can be changed into a prime (21100223210323) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 548708395 + ... + 548746847.
It is an arithmetic number, because the mean of its divisors is an integer number (655180482528).
Almost surely, 221100223210313 is an apocalyptic number.
It is an amenable number.
21100223210313 is a deficient number, since it is larger than the sum of its proper divisors (10348439951031).
21100223210313 is a wasteful number, since it uses less digits than its factorization.
21100223210313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73426 (or 73413 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 21100223210313 its reverse (31301232200112), we get a palindrome (52401455410425).
The spelling of 21100223210313 in words is "twenty-one trillion, one hundred billion, two hundred twenty-three million, two hundred ten thousand, three hundred thirteen".
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