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1300230043 = 72234724547
BaseRepresentation
bin100110101111111…
…1110111110011011
310100121121112022021
41031133332332123
510130324330133
6333004235311
744135526100
oct11537767633
93317545267
101300230043
11607a45092
1230353bb37
131794b88b8
14c4980aa7
157923852d
hex4d7fef9b

1300230043 has 24 divisors (see below), whose sum is σ = 1611919872. Its totient is φ = 1043303184.

The previous prime is 1300230037. The next prime is 1300230101. The reversal of 1300230043 is 3400320031.

It is not a de Polignac number, because 1300230043 - 25 = 1300230011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1300229999 and 1300230026.

It is not an unprimeable number, because it can be changed into a prime (1300230143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40696 + ... + 65242.

It is an arithmetic number, because the mean of its divisors is an integer number (67163328).

Almost surely, 21300230043 is an apocalyptic number.

1300230043 is a deficient number, since it is larger than the sum of its proper divisors (311689829).

1300230043 is a wasteful number, since it uses less digits than its factorization.

1300230043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24631 (or 24624 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 1300230043 is about 36058.7027359554. The cubic root of 1300230043 is about 1091.4572554932.

Adding to 1300230043 its reverse (3400320031), we get a palindrome (4700550074).

The spelling of 1300230043 in words is "one billion, three hundred million, two hundred thirty thousand, forty-three".

Divisors: 1 7 23 47 49 161 329 1081 1127 2303 7567 24547 52969 171829 564581 1153709 1202803 3952067 8075963 26535307 27664469 56531741 185747149 1300230043