Base | Representation |
---|---|
bin | 10010101010101110… |
… | …000011100000101011 |
3 | 1220201220110012102111 |
4 | 102222232003200223 |
5 | 312022240201112 |
6 | 13112541543151 |
7 | 1306465526452 |
oct | 225256034053 |
9 | 56656405374 |
10 | 20044068907 |
11 | 8556399705 |
12 | 3a74874ab7 |
13 | 1b75867505 |
14 | d820b7b99 |
15 | 7c4a735a7 |
hex | 4aab8382b |
20044068907 has 2 divisors, whose sum is σ = 20044068908. Its totient is φ = 20044068906.
The previous prime is 20044068893. The next prime is 20044068937. The reversal of 20044068907 is 70986044002.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 20044068907 - 215 = 20044036139 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 20044068907.
It is not a weakly prime, because it can be changed into another prime (20044068937) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10022034453 + 10022034454.
It is an arithmetic number, because the mean of its divisors is an integer number (10022034454).
Almost surely, 220044068907 is an apocalyptic number.
20044068907 is a deficient number, since it is larger than the sum of its proper divisors (1).
20044068907 is an equidigital number, since it uses as much as digits as its factorization.
20044068907 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 96768, while the sum is 40.
The spelling of 20044068907 in words is "twenty billion, forty-four million, sixty-eight thousand, nine hundred seven".
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