Search a number
-
+
99108484225 = 527927972
BaseRepresentation
bin101110001001101010…
…0110111010010000001
3100110211001002122111221
41130103110313102001
53110433232443400
6113310234435041
710106000134102
oct1342324672201
9313731078457
1099108484225
1139039179103
121725b292a81
139465bc6a0a
144b228b23a9
1528a0d36c1a
hex1713537481

99108484225 has 27 divisors (see below), whose sum is σ = 124626207657. Its totient is φ = 78184934880.

The previous prime is 99108484207. The next prime is 99108484261. The reversal of 99108484225 is 52248480199.

It is a happy number.

The square root of 99108484225 is 314815.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2422313089 + 96686171136 = 49217^2 + 310944^2 .

It is not a de Polignac number, because 99108484225 - 233 = 90518549633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 124351527 + ... + 124352323.

Almost surely, 299108484225 is an apocalyptic number.

99108484225 is the 314815-th square number.

99108484225 is the 157408-th centered octagonal number.

It is an amenable number.

99108484225 is a deficient number, since it is larger than the sum of its proper divisors (25517723432).

99108484225 is an frugal number, since it uses more digits than its factorization.

99108484225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762 (or 881 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 52.

The spelling of 99108484225 in words is "ninety-nine billion, one hundred eight million, four hundred eighty-four thousand, two hundred twenty-five".

Divisors: 1 5 25 79 395 797 1975 3985 6241 19925 31205 62963 156025 314815 635209 1574075 3176045 4974077 15880225 24870385 50181511 124351925 250907555 1254537775 3964339369 19821696845 99108484225