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109128096 = 253272111937
BaseRepresentation
bin1101000000100…
…10100110100000
321121100021121100
412200102212200
5210414044341
614454554400
72463400500
oct640224640
9247307540
10109128096
1156666610
1230668a00
13197bb54c
14106c9a00
1598a93b6
hex68129a0

109128096 has 432 divisors, whose sum is σ = 425748960. Its totient is φ = 26127360.

The previous prime is 109128079. The next prime is 109128119. The reversal of 109128096 is 690821901.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 109128096.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2949390 + ... + 2949426.

It is an arithmetic number, because the mean of its divisors is an integer number (985530).

Almost surely, 2109128096 is an apocalyptic number.

109128096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109128096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212874480).

109128096 is an abundant number, since it is smaller than the sum of its proper divisors (316620864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109128096 is a wasteful number, since it uses less digits than its factorization.

109128096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 109128096 is about 10446.4393934010. The cubic root of 109128096 is about 477.8726690598.

Adding to 109128096 its reverse (690821901), we get a palindrome (799949997).

The spelling of 109128096 in words is "one hundred nine million, one hundred twenty-eight thousand, ninety-six".