Base | Representation |
---|---|

bin | 1101000100111110000011… |

… | …01101110011011111100001 |

3 | 10202211020120101001120020221 |

4 | 12202133001231303133201 |

5 | 12232132444322304201 |

6 | 141055134002203041 |

7 | 6025462303142401 |

oct | 642370155633741 |

9 | 122736511046227 |

10 | 28758056056801 |

11 | 918824aa176a5 |

12 | 3285606953481 |

13 | 1307b47123b56 |

14 | 715c7c42c801 |

15 | 34d0e2b184a1 |

hex | 1a27c1b737e1 |

28758056056801 has 2 divisors, whose sum is σ = 28758056056802. Its totient is φ = 28758056056800.

The previous prime is 28758056056783. The next prime is 28758056056823. The reversal of 28758056056801 is 10865065085782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28424081867776 + 333974189025 = 5331424^2 + 577905^2 .

It is a cyclic number.

It is not a de Polignac number, because 28758056056801 - 2^{23} = 28758047668193 is a prime.

It is a super-3 number, since 3×28758056056801^{3} (a number of 41 digits) contains 333 as substring. Note that it is a super-*d* number also for *d* = 2.

It is a self number, because there is not a number *n* which added to its sum of digits gives 28758056056801.

It is not a weakly prime, because it can be changed into another prime (28758056054801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14379028028400 + 14379028028401.

It is an arithmetic number, because the mean of its divisors is an integer number (14379028028401).

Almost surely, 2^{28758056056801} is an apocalyptic number.

It is an amenable number.

28758056056801 is a deficient number, since it is larger than the sum of its proper divisors (1).

28758056056801 is an equidigital number, since it uses as much as digits as its factorization.

28758056056801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256000, while the sum is 61.

The spelling of 28758056056801 in words is "twenty-eight trillion, seven hundred fifty-eight billion, fifty-six million, fifty-six thousand, eight hundred one".

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