Base | Representation |
---|---|
bin | 10010101000000110… |
… | …101100010111100001 |
3 | 1220121211220020012102 |
4 | 102220012230113201 |
5 | 311430022233230 |
6 | 13104333340145 |
7 | 1305423601343 |
oct | 225006542741 |
9 | 56554806172 |
10 | 20000196065 |
11 | 8533653363 |
12 | 3a62037655 |
13 | 1b69745c55 |
14 | d7a337293 |
15 | 7c0ca9045 |
hex | 4a81ac5e1 |
20000196065 has 8 divisors (see below), whose sum is σ = 24774436608. Its totient is φ = 15484022640.
The previous prime is 20000196031. The next prime is 20000196079. The reversal of 20000196065 is 56069100002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20000196065 - 210 = 20000195041 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64516607 + ... + 64516916.
It is an arithmetic number, because the mean of its divisors is an integer number (3096804576).
Almost surely, 220000196065 is an apocalyptic number.
It is an amenable number.
20000196065 is a deficient number, since it is larger than the sum of its proper divisors (4774240543).
20000196065 is a wasteful number, since it uses less digits than its factorization.
20000196065 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 129033559.
The product of its (nonzero) digits is 3240, while the sum is 29.
Adding to 20000196065 its reverse (56069100002), we get a palindrome (76069296067).
The spelling of 20000196065 in words is "twenty billion, one hundred ninety-six thousand, sixty-five".
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