Base | Representation |
---|---|
bin | 110000000000101101… |
… | …1100000001110101101 |
3 | 100212010102212100102022 |
4 | 1200001123200032231 |
5 | 3142123404432341 |
6 | 115210455235525 |
7 | 10306664521205 |
oct | 1400133401655 |
9 | 325112770368 |
10 | 103103202221 |
11 | 3a7a9084938 |
12 | 17b95078ba5 |
13 | 99516b9186 |
14 | 4dc124d405 |
15 | 2a368b6e4b |
hex | 18016e03ad |
103103202221 has 8 divisors (see below), whose sum is σ = 106148690040. Its totient is φ = 100071341568.
The previous prime is 103103202217. The next prime is 103103202239. The reversal of 103103202221 is 122202301301.
It can be written as a sum of positive squares in 4 ways, for example, as 84761917321 + 18341284900 = 291139^2 + 135430^2 .
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 103103202221 - 22 = 103103202217 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 103103202221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103103202421) 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, 3391436 + ... + 3421701.
It is an arithmetic number, because the mean of its divisors is an integer number (13268586255).
Almost surely, 2103103202221 is an apocalyptic number.
It is an amenable number.
103103202221 is a deficient number, since it is larger than the sum of its proper divisors (3045487819).
103103202221 is an equidigital number, since it uses as much as digits as its factorization.
103103202221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6813583.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 103103202221 its reverse (122202301301), we get a palindrome (225305503522).
The spelling of 103103202221 in words is "one hundred three billion, one hundred three million, two hundred two thousand, two hundred twenty-one".
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