Search a number
-
+
8831400193 = 721117963811
BaseRepresentation
bin10000011100110010…
…00111100100000001
3211210110211121120001
420032121013210001
5121041314301233
64020155320001
7431564443300
oct101631074401
924713747501
108831400193
113822105750
121865750001
13aa986b3b5
145dac88437
1536a4c627d
hex20e647901

8831400193 has 24 divisors (see below), whose sum is σ = 11866453344. Its totient is φ = 6476803200.

The previous prime is 8831400169. The next prime is 8831400197. The reversal of 8831400193 is 3910041388.

It is not a de Polignac number, because 8831400193 - 25 = 8831400161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8831400197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 472743 + ... + 491068.

It is an arithmetic number, because the mean of its divisors is an integer number (494435556).

Almost surely, 28831400193 is an apocalyptic number.

It is an amenable number.

8831400193 is a deficient number, since it is larger than the sum of its proper divisors (3035053151).

8831400193 is a wasteful number, since it uses less digits than its factorization.

8831400193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963853 (or 963846 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 8831400193 is about 93975.5297564212. The cubic root of 8831400193 is about 2067.0129065257.

The spelling of 8831400193 in words is "eight billion, eight hundred thirty-one million, four hundred thousand, one hundred ninety-three".

Divisors: 1 7 11 17 49 77 119 187 539 833 1309 9163 963811 6746677 10601921 16384787 47226739 74213447 114693509 180232657 519494129 802854563 1261628599 8831400193