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128041054 = 2151423977
BaseRepresentation
bin1111010000111…
…00000001011110
322220221011022021
413220130001132
5230234303204
620412210354
73113221351
oct750340136
9286834267
10128041054
1166304159
1236a699ba
13206b0c4b
1413010298
15b393154
hex7a1c05e

128041054 has 8 divisors (see below), whose sum is σ = 193333968. Its totient is φ = 63596400.

The previous prime is 128041037. The next prime is 128041079. The reversal of 128041054 is 450140821.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211687 + ... + 212290.

It is an arithmetic number, because the mean of its divisors is an integer number (24166746).

Almost surely, 2128041054 is an apocalyptic number.

128041054 is a deficient number, since it is larger than the sum of its proper divisors (65292914).

128041054 is a wasteful number, since it uses less digits than its factorization.

128041054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424130.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 128041054 is about 11315.5227011394. The cubic root of 128041054 is about 504.0222941973.

Adding to 128041054 its reverse (450140821), we get a palindrome (578181875).

The spelling of 128041054 in words is "one hundred twenty-eight million, forty-one thousand, fifty-four".

Divisors: 1 2 151 302 423977 847954 64020527 128041054