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128084008485 = 358538933899
BaseRepresentation
bin111011101001001100…
…1101101111000100101
3110020121101122210101010
41313102121231320211
54044304001232420
6134501352452433
712153020052156
oct1672231557045
9406541583333
10128084008485
114a3580a1374
12209a70aa119
13c102c62244
1462b0c3b92d
1534e9a474e0
hex1dd266de25

128084008485 has 8 divisors (see below), whose sum is σ = 204934413600. Its totient is φ = 68311471184.

The previous prime is 128084008441. The next prime is 128084008501. The reversal of 128084008485 is 584800480821.

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 128084008485 - 26 = 128084008421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4269466935 + ... + 4269466964.

It is an arithmetic number, because the mean of its divisors is an integer number (25616801700).

Almost surely, 2128084008485 is an apocalyptic number.

128084008485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

128084008485 is a deficient number, since it is larger than the sum of its proper divisors (76850405115).

128084008485 is an equidigital number, since it uses as much as digits as its factorization.

128084008485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8538933907.

The product of its (nonzero) digits is 655360, while the sum is 48.

The spelling of 128084008485 in words is "one hundred twenty-eight billion, eighty-four million, eight thousand, four hundred eighty-five".

Divisors: 1 3 5 15 8538933899 25616801697 42694669495 128084008485