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1300442512 = 2481277657
BaseRepresentation
bin100110110000011…
…0010110110010000
310100122000022202111
41031200302312100
510130403130022
6333012555104
744140402405
oct11540626620
93318008674
101300442512
1160807a786
12303622a94
13179561515
14c49d82ac
157927b477
hex4d832d90

1300442512 has 10 divisors (see below), whose sum is σ = 2519607398. Its totient is φ = 650221248.

The previous prime is 1300442509. The next prime is 1300442537. The reversal of 1300442512 is 2152440031.

It can be written as a sum of positive squares in only one way, i.e., 780420096 + 520022416 = 27936^2 + 22804^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 40638813 + ... + 40638844.

Almost surely, 21300442512 is an apocalyptic number.

It is an amenable number.

1300442512 is a deficient number, since it is larger than the sum of its proper divisors (1219164886).

1300442512 is an equidigital number, since it uses as much as digits as its factorization.

1300442512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81277665 (or 81277659 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1300442512 is about 36061.6487698497. The cubic root of 1300442512 is about 1091.5167034866.

Adding to 1300442512 its reverse (2152440031), we get a palindrome (3452882543).

The spelling of 1300442512 in words is "one billion, three hundred million, four hundred forty-two thousand, five hundred twelve".

Divisors: 1 2 4 8 16 81277657 162555314 325110628 650221256 1300442512