Base | Representation |
---|---|
bin | 110011001101000010… |
… | …111011111111111111 |
3 | 12020220122000111020222 |
4 | 303031002323333333 |
5 | 1400044301110004 |
6 | 41131325531555 |
7 | 3654306540416 |
oct | 631502737777 |
9 | 166818014228 |
10 | 54979706879 |
11 | 2135367a589 |
12 | a7a4713bbb |
13 | 5252644946 |
14 | 2937c2c47d |
15 | 166bb3d7be |
hex | ccd0bbfff |
54979706879 has 2 divisors, whose sum is σ = 54979706880. Its totient is φ = 54979706878.
The previous prime is 54979706863. The next prime is 54979706891. The reversal of 54979706879 is 97860797945.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 54979706879 - 24 = 54979706863 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (54979706279) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27489853439 + 27489853440.
It is an arithmetic number, because the mean of its divisors is an integer number (27489853440).
Almost surely, 254979706879 is an apocalyptic number.
54979706879 is a deficient number, since it is larger than the sum of its proper divisors (1).
54979706879 is an equidigital number, since it uses as much as digits as its factorization.
54979706879 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 240045120, while the sum is 71.
The spelling of 54979706879 in words is "fifty-four billion, nine hundred seventy-nine million, seven hundred six thousand, eight hundred seventy-nine".
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