Base | Representation |
---|---|
bin | 1010000001000111111… |
… | …0011001110010111111 |
3 | 121110012222000012110122 |
4 | 2200101332121302333 |
5 | 10304430131404403 |
6 | 211021201525155 |
7 | 15301543046126 |
oct | 2402176316277 |
9 | 543188005418 |
10 | 172100263103 |
11 | 66a951259aa |
12 | 294300437bb |
13 | 132c9107912 |
14 | 8488990abd |
15 | 4723e15838 |
hex | 2811f99cbf |
172100263103 has 2 divisors, whose sum is σ = 172100263104. Its totient is φ = 172100263102.
The previous prime is 172100263091. The next prime is 172100263141. The reversal of 172100263103 is 301362001271.
It is a weak prime.
It is an emirp because it is prime and its reverse (301362001271) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 172100263103 - 28 = 172100262847 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (172100263003) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86050131551 + 86050131552.
It is an arithmetic number, because the mean of its divisors is an integer number (86050131552).
Almost surely, 2172100263103 is an apocalyptic number.
172100263103 is a deficient number, since it is larger than the sum of its proper divisors (1).
172100263103 is an equidigital number, since it uses as much as digits as its factorization.
172100263103 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1512, while the sum is 26.
Adding to 172100263103 its reverse (301362001271), we get a palindrome (473462264374).
The spelling of 172100263103 in words is "one hundred seventy-two billion, one hundred million, two hundred sixty-three thousand, one hundred three".
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