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

bin | 1100010101110001110… |

… | …0101001101001100100 |

3 | 202021012221200222222102 |

4 | 3011130130221221210 |

5 | 11433141112141004 |

6 | 241220554151232 |

7 | 21213444524510 |

oct | 3053434515144 |

9 | 667187628872 |

10 | 212004412004 |

11 | 81a01a66660 |

12 | 35107a22518 |

13 | 16cb8369c48 |

14 | a39252b140 |

15 | 57ac2b711e |

hex | 315c729a64 |

212004412004 has 48 divisors (see below), whose sum is σ = 470137992576. Its totient is φ = 81245030400.

The previous prime is 212004411991. The next prime is 212004412019. The reversal of 212004412004 is 400214400212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5623229 + ... + 5660804.

It is an arithmetic number, because the mean of its divisors is an integer number (9794541512).

Almost surely, 2^{212004412004} is an apocalyptic number.

It is an amenable number.

212004412004 is an abundant number, since it is smaller than the sum of its proper divisors (258133580572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212004412004 is a wasteful number, since it uses less digits than its factorization.

212004412004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11284116 (or 11284114 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 212004412004 its reverse (400214400212), we get a palindrome (612218812216).

The spelling of 212004412004 in words is "two hundred twelve billion, four million, four hundred twelve thousand, four".

Divisors: 1 2 4 7 11 14 22 28 44 61 77 122 154 244 308 427 671 854 1342 1708 2684 4697 9394 18788 11284033 22568066 45136132 78988231 124124363 157976462 248248726 315952924 496497452 688326013 868870541 1376652026 1737741082 2753304052 3475482164 4818282091 7571586143 9636564182 15143172286 19273128364 30286344572 53001103001 106002206002 212004412004

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