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107802612009 = 3227017443353
BaseRepresentation
bin110010001100110001…
…0010101000100101001
3101022020221122002201200
41210121202111010221
53231234432041014
6121305052034413
710534310040321
oct1443142250451
9338227562650
10107802612009
114179a844a84
1218a86a62a09
13a2201a1421
145309426281
152c0e244a09
hex1919895129

107802612009 has 12 divisors (see below), whose sum is σ = 155720998836. Its totient is φ = 71865585792.

The previous prime is 107802611999. The next prime is 107802612011. The reversal of 107802612009 is 900216208701.

It can be written as a sum of positive squares in 2 ways, for example, as 50691171609 + 57111440400 = 225147^2 + 238980^2 .

It is not a de Polignac number, because 107802612009 - 24 = 107802611993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (107802692009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21477 + ... + 464829.

It is an arithmetic number, because the mean of its divisors is an integer number (12976749903).

Almost surely, 2107802612009 is an apocalyptic number.

It is an amenable number.

107802612009 is a deficient number, since it is larger than the sum of its proper divisors (47918386827).

107802612009 is a wasteful number, since it uses less digits than its factorization.

107802612009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470376 (or 470373 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 107802612009 in words is "one hundred seven billion, eight hundred two million, six hundred twelve thousand, nine".

Divisors: 1 3 9 27017 81051 243153 443353 1330059 3990177 11978068001 35934204003 107802612009