Base | Representation |
---|---|
bin | 110010111100111101… |
… | …011011110101101001 |
3 | 12020012211012021100211 |
4 | 302330331123311221 |
5 | 1344021204011334 |
6 | 41044445301121 |
7 | 3644521605355 |
oct | 627475336551 |
9 | 166184167324 |
10 | 54709828969 |
11 | 212252aa294 |
12 | a72a2647a1 |
13 | 520b762583 |
14 | 291005a465 |
15 | 16530cea64 |
hex | cbcf5bd69 |
54709828969 has 2 divisors, whose sum is σ = 54709828970. Its totient is φ = 54709828968.
The previous prime is 54709828933. The next prime is 54709828997. The reversal of 54709828969 is 96982890745.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 54664778025 + 45050944 = 233805^2 + 6712^2 .
It is a cyclic number.
It is not a de Polignac number, because 54709828969 - 225 = 54676274537 is a prime.
It is a super-2 number, since 2×547098289692 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (54709828769) 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, 27354914484 + 27354914485.
It is an arithmetic number, because the mean of its divisors is an integer number (27354914485).
Almost surely, 254709828969 is an apocalyptic number.
It is an amenable number.
54709828969 is a deficient number, since it is larger than the sum of its proper divisors (1).
54709828969 is an equidigital number, since it uses as much as digits as its factorization.
54709828969 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 78382080, while the sum is 67.
The spelling of 54709828969 in words is "fifty-four billion, seven hundred nine million, eight hundred twenty-eight thousand, nine hundred sixty-nine".
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