Base | Representation |
---|---|
bin | 11000111001101000111001… |
… | …01111010000101101101011 |
3 | 21011212201102212221001100201 |
4 | 30130310130233100231223 |
5 | 24134114334133123404 |
6 | 312243010001413031 |
7 | 14351031002136205 |
oct | 1434643457205553 |
9 | 234781385831321 |
10 | 54757020207979 |
11 | 164a135a438581 |
12 | 618433b33a177 |
13 | 2472745c8827b |
14 | d7437aa79775 |
15 | 64e550a23ca4 |
hex | 31cd1cbd0b6b |
54757020207979 has 2 divisors, whose sum is σ = 54757020207980. Its totient is φ = 54757020207978.
The previous prime is 54757020207941. The next prime is 54757020208013. The reversal of 54757020207979 is 97970202075745.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 54757020207979 - 227 = 54756885990251 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 54757020207979.
It is not a weakly prime, because it can be changed into another prime (54757020207079) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27378510103989 + 27378510103990.
It is an arithmetic number, because the mean of its divisors is an integer number (27378510103990).
Almost surely, 254757020207979 is an apocalyptic number.
54757020207979 is a deficient number, since it is larger than the sum of its proper divisors (1).
54757020207979 is an equidigital number, since it uses as much as digits as its factorization.
54757020207979 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 77792400, while the sum is 64.
The spelling of 54757020207979 in words is "fifty-four trillion, seven hundred fifty-seven billion, twenty million, two hundred seven thousand, nine hundred seventy-nine".
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