Base | Representation |
---|---|
bin | 1101000100111110000011… |
… | …01101110100011100010101 |
3 | 10202211020120101001202121002 |
4 | 12202133001231310130111 |
5 | 12232132444322420233 |
6 | 141055134002233045 |
7 | 6025462303156631 |
oct | 642370155643425 |
9 | 122736511052532 |
10 | 28758056060693 |
11 | 918824aa1a613 |
12 | 3285606955785 |
13 | 1307b4712585b |
14 | 715c7c42ddc1 |
15 | 34d0e2b196e8 |
hex | 1a27c1b74715 |
28758056060693 has 2 divisors, whose sum is σ = 28758056060694. Its totient is φ = 28758056060692.
The previous prime is 28758056060659. The next prime is 28758056060717. The reversal of 28758056060693 is 39606065085782.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 19581748966129 + 9176307094564 = 4425127^2 + 3029242^2 .
It is a cyclic number.
It is not a de Polignac number, because 28758056060693 - 214 = 28758056044309 is a prime.
It is a super-2 number, since 2×287580560606932 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28758056060603) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14379028030346 + 14379028030347.
It is an arithmetic number, because the mean of its divisors is an integer number (14379028030347).
Almost surely, 228758056060693 is an apocalyptic number.
It is an amenable number.
28758056060693 is a deficient number, since it is larger than the sum of its proper divisors (1).
28758056060693 is an equidigital number, since it uses as much as digits as its factorization.
28758056060693 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 130636800, while the sum is 65.
The spelling of 28758056060693 in words is "twenty-eight trillion, seven hundred fifty-eight billion, fifty-six million, sixty thousand, six hundred ninety-three".
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