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

bin | 1100011010010110001… |

… | …1101110100111100100 |

3 | 202101101102202100001111 |

4 | 3012211203232213210 |

5 | 11443144114113012 |

6 | 241542412234404 |

7 | 21256030426036 |

oct | 3064543564744 |

9 | 671342670044 |

10 | 213231004132 |

11 | 82481385463 |

12 | 353aa76ba04 |

13 | 171525121c3 |

14 | a46b3bdc56 |

15 | 582ed06ba7 |

hex | 31a58ee9e4 |

213231004132 has 24 divisors (see below), whose sum is σ = 393348065600. Its totient is φ = 100861674336.

The previous prime is 213231004127. The next prime is 213231004141. The reversal of 213231004132 is 231400132312.

Adding to 213231004132 its reverse (231400132312), we get a palindrome (444631136444).

It is a super-2 number, since 2×213231004132^{2} (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1924728 + ... + 2032495.

Almost surely, 2^{213231004132} is an apocalyptic number.

It is an amenable number.

213231004132 is a deficient number, since it is larger than the sum of its proper divisors (180117061468).

213231004132 is a wasteful number, since it uses less digits than its factorization.

213231004132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3957955 (or 3957953 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The spelling of 213231004132 in words is "two hundred thirteen billion, two hundred thirty-one million, four thousand, one hundred thirty-two".

Divisors: 1 2 4 19 38 76 709 1418 2836 13471 26942 53884 3957223 7914446 15828892 75187237 150374474 300748948 2805671107 5611342214 11222684428 53307751033 106615502066 213231004132

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