Search a number
-
+
193095308889 = 3374632206627
BaseRepresentation
bin1011001111010101100…
…0001001011001011001
3200110102010220000221000
42303311120021121121
511130424344341024
6224412354335213
716644040021140
oct2636530113131
9613363800830
10193095308889
11749892a460a
123150b28a509
13152939a6732
1494bb094757
1550521d4cc9
hex2cf5609659

193095308889 has 32 divisors (see below), whose sum is σ = 327640125440. Its totient is φ = 110101810896.

The previous prime is 193095308801. The next prime is 193095308893. The reversal of 193095308889 is 988803590391.

193095308889 is a `hidden beast` number, since 1 + 93 + 0 + 9 + 530 + 8 + 8 + 8 + 9 = 666.

193095308889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 193095308889 - 219 = 193094784601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (193095304889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1015807 + ... + 1190820.

It is an arithmetic number, because the mean of its divisors is an integer number (10238753920).

Almost surely, 2193095308889 is an apocalyptic number.

It is an amenable number.

193095308889 is a deficient number, since it is larger than the sum of its proper divisors (134544816551).

193095308889 is a wasteful number, since it uses less digits than its factorization.

193095308889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207106 (or 2207100 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 63.

The spelling of 193095308889 in words is "one hundred ninety-three billion, ninety-five million, three hundred eight thousand, eight hundred eighty-nine".

Divisors: 1 3 7 9 21 27 63 189 463 1389 3241 4167 9723 12501 29169 87507 2206627 6619881 15446389 19859643 46339167 59578929 139017501 417052503 1021668301 3065004903 7151678107 9195014709 21455034321 27585044127 64365102963 193095308889