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128334203 = 3114292897
BaseRepresentation
bin1111010011000…
…11100101111011
322221111001102122
413221203211323
5230323143303
620422351455
73115552124
oct751434573
9287431378
10128334203
1166494428
1236b8b58b
13207844ca
141308904b
15b3eee38
hex7a6397b

128334203 has 8 divisors (see below), whose sum is σ = 132612480. Its totient is φ = 124064640.

The previous prime is 128334191. The next prime is 128334221. The reversal of 128334203 is 302433821.

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 128334203 - 216 = 128268667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128337203) 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 7 ways as a sum of consecutive naturals, for example, 42851 + ... + 45747.

It is an arithmetic number, because the mean of its divisors is an integer number (16576560).

Almost surely, 2128334203 is an apocalyptic number.

128334203 is a deficient number, since it is larger than the sum of its proper divisors (4278277).

128334203 is a wasteful number, since it uses less digits than its factorization.

128334203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4357.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 128334203 is about 11328.4686961654. The cubic root of 128334203 is about 504.4066527288.

The spelling of 128334203 in words is "one hundred twenty-eight million, three hundred thirty-four thousand, two hundred three".

Divisors: 1 31 1429 2897 44299 89807 4139813 128334203