Search a number
-
+
7190009636 = 229049198641
BaseRepresentation
bin1101011001000111…
…01101011100100100
3200120002021100000012
412230203231130210
5104211120302021
63145242505352
7343114034135
oct65443553444
920502240005
107190009636
11305a633727
121487b05258
138a77a2b94
144c2c9bc8c
152c134d35b
hex1ac8ed724

7190009636 has 12 divisors (see below), whose sum is σ = 12583970700. Its totient is φ = 3594589440.

The previous prime is 7190009591. The next prime is 7190009639. The reversal of 7190009636 is 6369000917.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6241000000 + 949009636 = 79000^2 + 30806^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7190009593 and 7190009602.

It is not an unprimeable number, because it can be changed into a prime (7190009639) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 63125 + ... + 135516.

It is an arithmetic number, because the mean of its divisors is an integer number (1048664225).

Almost surely, 27190009636 is an apocalyptic number.

It is an amenable number.

7190009636 is a deficient number, since it is larger than the sum of its proper divisors (5393961064).

7190009636 is a wasteful number, since it uses less digits than its factorization.

7190009636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207694 (or 207692 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 7190009636 is about 84793.9245229279. The cubic root of 7190009636 is about 1930.0852455927.

The spelling of 7190009636 in words is "seven billion, one hundred ninety million, nine thousand, six hundred thirty-six".

Divisors: 1 2 4 9049 18098 36196 198641 397282 794564 1797502409 3595004818 7190009636