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108843733909 = 221358138461
BaseRepresentation
bin110010101011110010…
…1111001001110010101
3101101221111200120111001
41211113211321032111
53240402443441114
6122000242543301
710602151321201
oct1452745711625
9341844616431
10108843733909
11421844a52a9
1219117667b31
13a357aa89a1
1453a77d9b01
152c7084a374
hex1957979395

108843733909 has 8 divisors (see below), whose sum is σ = 108924522552. Its totient is φ = 108762978240.

The previous prime is 108843733883. The next prime is 108843733931. The reversal of 108843733909 is 909337348801.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 79755408100 + 29088325809 = 282410^2 + 170553^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 108843733909 - 211 = 108843731861 is a prime.

It is a super-2 number, since 2×1088437339092 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 108843733909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108843733109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12859939 + ... + 12868399.

It is an arithmetic number, because the mean of its divisors is an integer number (13615565319).

Almost surely, 2108843733909 is an apocalyptic number.

It is an amenable number.

108843733909 is a deficient number, since it is larger than the sum of its proper divisors (80788643).

108843733909 is an equidigital number, since it uses as much as digits as its factorization.

108843733909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16487.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 108843733909 in words is "one hundred eight billion, eight hundred forty-three million, seven hundred thirty-three thousand, nine hundred nine".

Divisors: 1 2213 5813 8461 12864169 18724193 49183793 108843733909