Base | Representation |
---|---|
bin | 1110111110100111… |
… | …01100100110101101 |
3 | 202202102101222110211 |
4 | 13133103230212231 |
5 | 112432102344101 |
6 | 3405540102421 |
7 | 403163124232 |
oct | 73723544655 |
9 | 22672358424 |
10 | 8041449901 |
11 | 3457209371 |
12 | 1685094a11 |
13 | 9b1cc68a4 |
14 | 563db7789 |
15 | 320e86c51 |
hex | 1df4ec9ad |
8041449901 has 2 divisors, whose sum is σ = 8041449902. Its totient is φ = 8041449900.
The previous prime is 8041449883. The next prime is 8041449929. The reversal of 8041449901 is 1099441408.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 6340299876 + 1701150025 = 79626^2 + 41245^2 .
It is a cyclic number.
It is not a de Polignac number, because 8041449901 - 29 = 8041449389 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (8041449961) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4020724950 + 4020724951.
It is an arithmetic number, because the mean of its divisors is an integer number (4020724951).
Almost surely, 28041449901 is an apocalyptic number.
It is an amenable number.
8041449901 is a deficient number, since it is larger than the sum of its proper divisors (1).
8041449901 is an equidigital number, since it uses as much as digits as its factorization.
8041449901 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 41472, while the sum is 40.
The square root of 8041449901 is about 89674.1317270482. The cubic root of 8041449901 is about 2003.4482099242.
The spelling of 8041449901 in words is "eight billion, forty-one million, four hundred forty-nine thousand, nine hundred one".
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