Base | Representation |
---|---|
bin | 10011000000110101… |
… | …010001101100111101 |
3 | 1221200202112112121212 |
4 | 103000311101230331 |
5 | 313302223421142 |
6 | 13213433334205 |
7 | 1321622103455 |
oct | 230065215475 |
9 | 57622475555 |
10 | 20415060797 |
11 | 872685137a |
12 | 3b58b67365 |
13 | 1c04690441 |
14 | db948ad65 |
15 | 7e7406d82 |
hex | 4c0d51b3d |
20415060797 has 16 divisors (see below), whose sum is σ = 21369847680. Its totient is φ = 19465999872.
The previous prime is 20415060749. The next prime is 20415060817. The reversal of 20415060797 is 79706051402.
It is a cyclic number.
It is not a de Polignac number, because 20415060797 - 214 = 20415044413 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20415060707) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18178478 + ... + 18179600.
It is an arithmetic number, because the mean of its divisors is an integer number (1335615480).
Almost surely, 220415060797 is an apocalyptic number.
It is an amenable number.
20415060797 is a deficient number, since it is larger than the sum of its proper divisors (954786883).
20415060797 is a wasteful number, since it uses less digits than its factorization.
20415060797 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2932.
The product of its (nonzero) digits is 105840, while the sum is 41.
The spelling of 20415060797 in words is "twenty billion, four hundred fifteen million, sixty thousand, seven hundred ninety-seven".
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