Base | Representation |
---|---|
bin | 1101000100111110000011… |
… | …01101110100011101110111 |
3 | 10202211020120101001202201201 |
4 | 12202133001231310131313 |
5 | 12232132444322421131 |
6 | 141055134002233331 |
7 | 6025462303160131 |
oct | 642370155643567 |
9 | 122736511052651 |
10 | 28758056060791 |
11 | 918824aa1a6a2 |
12 | 3285606955847 |
13 | 1307b47125905 |
14 | 715c7c430051 |
15 | 34d0e2b19761 |
hex | 1a27c1b74777 |
28758056060791 has 2 divisors, whose sum is σ = 28758056060792. Its totient is φ = 28758056060790.
The previous prime is 28758056060771. The next prime is 28758056060821. The reversal of 28758056060791 is 19706065085782.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-28758056060791 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28758056060771) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14379028030395 + 14379028030396.
It is an arithmetic number, because the mean of its divisors is an integer number (14379028030396).
Almost surely, 228758056060791 is an apocalyptic number.
28758056060791 is a deficient number, since it is larger than the sum of its proper divisors (1).
28758056060791 is an equidigital number, since it uses as much as digits as its factorization.
28758056060791 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 50803200, while the sum is 64.
The spelling of 28758056060791 in words is "twenty-eight trillion, seven hundred fifty-eight billion, fifty-six million, sixty thousand, seven hundred ninety-one".
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