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1152146216 = 231312139133
BaseRepresentation
bin100010010101100…
…0101101100101000
32222021222002111002
41010223011230220
54324422134331
6310154254132
740360036604
oct10453055450
92867862432
101152146216
115413a1561
12281a27348
1315490ac30
14ad034504
156b2369cb
hex44ac5b28

1152146216 has 32 divisors (see below), whose sum is σ = 2328621960. Its totient is φ = 531263232.

The previous prime is 1152146213. The next prime is 1152146231. The reversal of 1152146216 is 6126412511.

It can be written as a sum of positive squares in 4 ways, for example, as 652802500 + 499343716 = 25550^2 + 22346^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1152146213) 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, 121586 + ... + 130718.

Almost surely, 21152146216 is an apocalyptic number.

It is an amenable number.

1152146216 is an abundant number, since it is smaller than the sum of its proper divisors (1176475744).

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

1152146216 is a wasteful number, since it uses less digits than its factorization.

1152146216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10365 (or 10361 counting only the distinct ones).

The product of its digits is 2880, while the sum is 29.

The square root of 1152146216 is about 33943.2793937180. The cubic root of 1152146216 is about 1048.3409070022.

Adding to 1152146216 its reverse (6126412511), we get a palindrome (7278558727).

The spelling of 1152146216 in words is "one billion, one hundred fifty-two million, one hundred forty-six thousand, two hundred sixteen".

Divisors: 1 2 4 8 13 26 52 104 1213 2426 4852 9133 9704 15769 18266 31538 36532 63076 73064 118729 126152 237458 474916 949832 11078329 22156658 44313316 88626632 144018277 288036554 576073108 1152146216