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128450102 = 2115838641
BaseRepresentation
bin1111010011111…
…11111000110110
322221200221102012
413221333320312
5230340400402
620425044222
73116544044
oct751777066
9287627365
10128450102
1166563510
1237026672
13207c51a1
14130b9394
15b424452
hex7a7fe36

128450102 has 8 divisors (see below), whose sum is σ = 210191112. Its totient is φ = 58386400.

The previous prime is 128450059. The next prime is 128450117. The reversal of 128450102 is 201054821.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2919299 + ... + 2919342.

It is an arithmetic number, because the mean of its divisors is an integer number (26273889).

Almost surely, 2128450102 is an apocalyptic number.

128450102 is a deficient number, since it is larger than the sum of its proper divisors (81741010).

128450102 is a wasteful number, since it uses less digits than its factorization.

128450102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5838654.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 128450102 is about 11333.5829286241. The cubic root of 128450102 is about 504.5584507571.

The spelling of 128450102 in words is "one hundred twenty-eight million, four hundred fifty thousand, one hundred two".

Divisors: 1 2 11 22 5838641 11677282 64225051 128450102