Search a number
-
+
9168963820 = 2251014539091
BaseRepresentation
bin10001000101000001…
…10100100011101100
3212200000000121210121
420202200310203230
5122234223320240
64113454414324
7443133622642
oct104240644354
925600017717
109168963820
113985706255
12193a8013a4
13b3178baa3
1462da39192
15389e5504a
hex2228348ec

9168963820 has 24 divisors (see below), whose sum is σ = 19445470128. Its totient is φ = 3631272000.

The previous prime is 9168963781. The next prime is 9168963827. The reversal of 9168963820 is 283698619.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9168963827) 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 7 ways as a sum of consecutive naturals, for example, 2267526 + ... + 2271565.

It is an arithmetic number, because the mean of its divisors is an integer number (810227922).

Almost surely, 29168963820 is an apocalyptic number.

It is an amenable number.

9168963820 is an abundant number, since it is smaller than the sum of its proper divisors (10276506308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9168963820 is a wasteful number, since it uses less digits than its factorization.

9168963820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4539201 (or 4539199 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 52.

The square root of 9168963820 is about 95754.7065161812. The cubic root of 9168963820 is about 2093.0201994756.

The spelling of 9168963820 in words is "nine billion, one hundred sixty-eight million, nine hundred sixty-three thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 101 202 404 505 1010 2020 4539091 9078182 18156364 22695455 45390910 90781820 458448191 916896382 1833792764 2292240955 4584481910 9168963820