Base | Representation |
---|---|
bin | 100000100011011111… |
… | …0000111101011101001 |
3 | 20200110011022102010122 |
4 | 1001012332013223221 |
5 | 2121134000304444 |
6 | 52041041253025 |
7 | 5023303415450 |
oct | 1010676075351 |
9 | 220404272118 |
10 | 69910166249 |
11 | 27715514700 |
12 | 11670934175 |
13 | 67919532a1 |
14 | 3552b0db97 |
15 | 1c427b84ee |
hex | 1046f87ae9 |
69910166249 has 24 divisors (see below), whose sum is σ = 87865800960. Its totient is φ = 54447687360.
The previous prime is 69910166233. The next prime is 69910166267. The reversal of 69910166249 is 94266101996.
It is not a de Polignac number, because 69910166249 - 24 = 69910166233 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 69910166249.
It is not an unprimeable number, because it can be changed into a prime (69910166219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1727357 + ... + 1767365.
It is an arithmetic number, because the mean of its divisors is an integer number (3661075040).
Almost surely, 269910166249 is an apocalyptic number.
It is an amenable number.
69910166249 is a deficient number, since it is larger than the sum of its proper divisors (17955634711).
69910166249 is a wasteful number, since it uses less digits than its factorization.
69910166249 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42101 (or 42090 counting only the distinct ones).
The product of its (nonzero) digits is 1259712, while the sum is 53.
The spelling of 69910166249 in words is "sixty-nine billion, nine hundred ten million, one hundred sixty-six thousand, two hundred forty-nine".
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