Base | Representation |
---|---|
bin | 10010101110010100… |
… | …011000001011110001 |
3 | 1220220010001201012020 |
4 | 102232110120023301 |
5 | 312133214243310 |
6 | 13122540022053 |
7 | 1311130656150 |
oct | 225624301361 |
9 | 56803051166 |
10 | 20104446705 |
11 | 8587488412 |
12 | 3a90b31929 |
13 | 1b85217415 |
14 | d8a113597 |
15 | 7c9eed170 |
hex | 4ae5182f1 |
20104446705 has 16 divisors (see below), whose sum is σ = 36762417024. Its totient is φ = 9190604160.
The previous prime is 20104446701. The next prime is 20104446727. The reversal of 20104446705 is 50764440102.
It is not a de Polignac number, because 20104446705 - 22 = 20104446701 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20104446701) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95735356 + ... + 95735565.
It is an arithmetic number, because the mean of its divisors is an integer number (2297651064).
Almost surely, 220104446705 is an apocalyptic number.
It is an amenable number.
20104446705 is a deficient number, since it is larger than the sum of its proper divisors (16657970319).
20104446705 is a wasteful number, since it uses less digits than its factorization.
20104446705 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 191470936.
The product of its (nonzero) digits is 26880, while the sum is 33.
Adding to 20104446705 its reverse (50764440102), we get a palindrome (70868886807).
The spelling of 20104446705 in words is "twenty billion, one hundred four million, four hundred forty-six thousand, seven hundred five".
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