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

bin | 110011110010000001… |

… | …0101110011011101000 |

3 | 101122000201121110222202 |

4 | 1213210002232123220 |

5 | 3310214211231440 |

6 | 123030140035332 |

7 | 11014433162312 |

oct | 1474402563350 |

9 | 348021543882 |

10 | 111200102120 |

11 | 43183616648 |

12 | 19674832b48 |

13 | a6420289c3 |

14 | 554c73c7b2 |

15 | 2d5c653615 |

hex | 19e40ae6e8 |

111200102120 has 32 divisors (see below), whose sum is σ = 258827826600. Its totient is φ = 42946245888.

The previous prime is 111200102113. The next prime is 111200102131. The reversal of 111200102120 is 21201002111.

Adding to 111200102120 its reverse (21201002111), we get a palindrome (132401104231).

It can be written as a sum of positive squares in 4 ways, for example, as 110515023844 + 685078276 = 332438^2 + 26174^2 .

It is a super-2 number, since 2×111200102120^{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, 47929919 + ... + 47932238.

Almost surely, 2^{111200102120} is an apocalyptic number.

111200102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111200102120 is an abundant number, since it is smaller than the sum of its proper divisors (147627724480).

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

111200102120 is a wasteful number, since it uses less digits than its factorization.

111200102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95862197 (or 95862193 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The spelling of 111200102120 in words is "one hundred eleven billion, two hundred million, one hundred two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 29 40 58 116 145 232 290 580 1160 95862157 191724314 383448628 479310785 766897256 958621570 1917243140 2780002553 3834486280 5560005106 11120010212 13900012765 22240020424 27800025530 55600051060 111200102120

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