Search a number
-
+
66468830367 = 31918111235737
BaseRepresentation
bin111101111001110110…
…011101110010011111
320100120022211102210010
4331321312131302133
52042112010032432
650311345414303
74542105510312
oct757166356237
9210508742703
1066468830367
1126209a16065
1210a7033a393
1363639b6874
143307a62979
151ae05e83cc
hexf79d9dc9f

66468830367 has 32 divisors (see below), whose sum is σ = 93904894720. Its totient is φ = 41703932160.

The previous prime is 66468830353. The next prime is 66468830369. The reversal of 66468830367 is 76303886466.

It is not a de Polignac number, because 66468830367 - 211 = 66468828319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66468830369) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11583123 + ... + 11588859.

It is an arithmetic number, because the mean of its divisors is an integer number (2934527960).

Almost surely, 266468830367 is an apocalyptic number.

66468830367 is a deficient number, since it is larger than the sum of its proper divisors (27436064353).

66468830367 is a wasteful number, since it uses less digits than its factorization.

66468830367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7063.

The product of its (nonzero) digits is 20901888, while the sum is 57.

The spelling of 66468830367 in words is "sixty-six billion, four hundred sixty-eight million, eight hundred thirty thousand, three hundred sixty-seven".

Divisors: 1 3 19 57 181 543 1123 3369 3439 5737 10317 17211 21337 64011 109003 203263 327009 609789 1038397 3115191 3861997 6442651 11585991 19327953 19729543 59188629 122410369 367231107 1166119831 3498359493 22156276789 66468830367