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1307289968 = 2481705623
BaseRepresentation
bin100110111101011…
…1010100101110000
310101002220012200222
41031322322211300
510134131234333
6333415432212
744252532005
oct11572724560
93332805628
101307289968
11610a27336
12305985668
1317aabb17a
14c589b8ac
1579b80298
hex4deba970

1307289968 has 10 divisors (see below), whose sum is σ = 2532874344. Its totient is φ = 653644976.

The previous prime is 1307289967. The next prime is 1307289983. The reversal of 1307289968 is 8699827031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307289967) 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 as a sum of consecutive naturals, namely, 40852796 + ... + 40852827.

Almost surely, 21307289968 is an apocalyptic number.

It is an amenable number.

1307289968 is a deficient number, since it is larger than the sum of its proper divisors (1225584376).

1307289968 is an equidigital number, since it uses as much as digits as its factorization.

1307289968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81705631 (or 81705625 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 1307289968 is about 36156.4650927051. The cubic root of 1307289968 is about 1093.4291377810.

The spelling of 1307289968 in words is "one billion, three hundred seven million, two hundred eighty-nine thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 81705623 163411246 326822492 653644984 1307289968