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128841098 = 2214130089
BaseRepresentation
bin1111010110111…
…11010110001010
322222102210202112
413223133112022
5230440403343
620441302322
73123063011
oct753372612
9288383675
10128841098
1166800251
12371949a2
1320901149
141317ba78
15b4a0218
hex7adf58a

128841098 has 8 divisors (see below), whose sum is σ = 193358340. Its totient is φ = 64388320.

The previous prime is 128841091. The next prime is 128841103. The reversal of 128841098 is 890148821.

It can be written as a sum of positive squares in 2 ways, for example, as 118962649 + 9878449 = 10907^2 + 3143^2 .

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

It is not an unprimeable number, because it can be changed into a prime (128841091) 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 3 ways as a sum of consecutive naturals, for example, 10763 + ... + 19326.

Almost surely, 2128841098 is an apocalyptic number.

128841098 is a deficient number, since it is larger than the sum of its proper divisors (64517242).

128841098 is a wasteful number, since it uses less digits than its factorization.

128841098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32232.

The product of its (nonzero) digits is 36864, while the sum is 41.

The square root of 128841098 is about 11350.8192655861. The cubic root of 128841098 is about 505.0698828232.

The spelling of 128841098 in words is "one hundred twenty-eight million, eight hundred forty-one thousand, ninety-eight".

Divisors: 1 2 2141 4282 30089 60178 64420549 128841098