Base | Representation |
---|---|
bin | 1101000101000101100011… |
… | …00100001000111001001001 |
3 | 10202211121221210220211211222 |
4 | 12202202301210020321021 |
5 | 12232214214443223412 |
6 | 141101041150331425 |
7 | 6025664104436222 |
oct | 642426144107111 |
9 | 122747853824758 |
10 | 28762080054857 |
11 | 9189a25401a26 |
12 | 328634a4b9b75 |
13 | 13083389c86a6 |
14 | 716140a2c249 |
15 | 34d27b02e072 |
hex | 1a28b1908e49 |
28762080054857 has 2 divisors, whose sum is σ = 28762080054858. Its totient is φ = 28762080054856.
The previous prime is 28762080054809. The next prime is 28762080054947. The reversal of 28762080054857 is 75845008026782.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 28762080054841 + 16 = 5363029^2 + 4^2 .
It is a cyclic number.
It is not a de Polignac number, because 28762080054857 - 226 = 28762012945993 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 28762080054857.
It is not a weakly prime, because it can be changed into another prime (28762080054157) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14381040027428 + 14381040027429.
It is an arithmetic number, because the mean of its divisors is an integer number (14381040027429).
Almost surely, 228762080054857 is an apocalyptic number.
It is an amenable number.
28762080054857 is a deficient number, since it is larger than the sum of its proper divisors (1).
28762080054857 is an equidigital number, since it uses as much as digits as its factorization.
28762080054857 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 60211200, while the sum is 62.
The spelling of 28762080054857 in words is "twenty-eight trillion, seven hundred sixty-two billion, eighty million, fifty-four thousand, eight hundred fifty-seven".
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