Base | Representation |
---|---|
bin | 11111011110011011… |
… | …00101000111111101 |
3 | 1121121122222100010100 |
4 | 33233031211013331 |
5 | 234101420411240 |
6 | 11432443231313 |
7 | 1135516320105 |
oct | 175715450775 |
9 | 47548870110 |
10 | 16898216445 |
11 | 719166a140 |
12 | 3337218539 |
13 | 1793ba6b56 |
14 | b64386205 |
15 | 68d7bde30 |
hex | 3ef3651fd |
16898216445 has 24 divisors (see below), whose sum is σ = 31952992032. Its totient is φ = 8193074400.
The previous prime is 16898216443. The next prime is 16898216459. The reversal of 16898216445 is 54461289861.
It is not a de Polignac number, because 16898216445 - 21 = 16898216443 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 16898216391 and 16898216400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16898216443) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17068411 + ... + 17069400.
It is an arithmetic number, because the mean of its divisors is an integer number (1331374668).
Almost surely, 216898216445 is an apocalyptic number.
16898216445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
16898216445 is a deficient number, since it is larger than the sum of its proper divisors (15054775587).
16898216445 is a wasteful number, since it uses less digits than its factorization.
16898216445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34137833 (or 34137830 counting only the distinct ones).
The product of its digits is 3317760, while the sum is 54.
The spelling of 16898216445 in words is "sixteen billion, eight hundred ninety-eight million, two hundred sixteen thousand, four hundred forty-five".
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