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1307005139 = 11891737717
BaseRepresentation
bin100110111100111…
…0101000011010011
310101002100201222202
41031321311003103
510134043131024
6333405353415
744250234416
oct11571650323
93332321882
101307005139
11610852340
1230586886b
1317aa1b62b
14c5825b7d
1579b25bae
hex4de750d3

1307005139 has 16 divisors (see below), whose sum is σ = 1450366560. Its totient is φ = 1167893760.

The previous prime is 1307005109. The next prime is 1307005171. The reversal of 1307005139 is 9315007031.

It is not a de Polignac number, because 1307005139 - 224 = 1290227923 is a prime.

It is a super-3 number, since 3×13070051393 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1307005109) 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 in 15 ways as a sum of consecutive naturals, for example, 165509 + ... + 173225.

It is an arithmetic number, because the mean of its divisors is an integer number (90647910).

Almost surely, 21307005139 is an apocalyptic number.

1307005139 is a deficient number, since it is larger than the sum of its proper divisors (143361421).

1307005139 is a wasteful number, since it uses less digits than its factorization.

1307005139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7990.

The product of its (nonzero) digits is 2835, while the sum is 29.

The square root of 1307005139 is about 36152.5260389921. The cubic root of 1307005139 is about 1093.3497208302.

The spelling of 1307005139 in words is "one billion, three hundred seven million, five thousand, one hundred thirty-nine".

Divisors: 1 11 89 173 979 1903 7717 15397 84887 169367 686813 1335041 7554943 14685451 118818649 1307005139