Base | Representation |
---|---|
bin | 1011110100010100100… |
… | …0001010010001100001 |
3 | 201102001001000200110201 |
4 | 2331011020022101201 |
5 | 11311242421330144 |
6 | 233133444225201 |
7 | 20445050660533 |
oct | 2750510122141 |
9 | 642031020421 |
10 | 203023230049 |
11 | 79113358732 |
12 | 3342009b201 |
13 | 161b67780b3 |
14 | 9b7d813853 |
15 | 5433aa61d4 |
hex | 2f4520a461 |
203023230049 has 2 divisors, whose sum is σ = 203023230050. Its totient is φ = 203023230048.
The previous prime is 203023230029. The next prime is 203023230077. The reversal of 203023230049 is 940032320302.
It is an a-pointer prime, because the next prime (203023230077) can be obtained adding 203023230049 to its sum of digits (28).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 145185385024 + 57837845025 = 381032^2 + 240495^2 .
It is a cyclic number.
It is not a de Polignac number, because 203023230049 - 25 = 203023230017 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 203023229999 and 203023230026.
It is not a weakly prime, because it can be changed into another prime (203023230029) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101511615024 + 101511615025.
It is an arithmetic number, because the mean of its divisors is an integer number (101511615025).
Almost surely, 2203023230049 is an apocalyptic number.
It is an amenable number.
203023230049 is a deficient number, since it is larger than the sum of its proper divisors (1).
203023230049 is an equidigital number, since it uses as much as digits as its factorization.
203023230049 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 7776, while the sum is 28.
The spelling of 203023230049 in words is "two hundred three billion, twenty-three million, two hundred thirty thousand, forty-nine".
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