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128041053 = 3737164789
BaseRepresentation
bin1111010000111…
…00000001011101
322220221011022020
413220130001131
5230234303203
620412210353
73113221350
oct750340135
9286834266
10128041053
1166304158
1236a699b9
13206b0c4a
1413010297
15b393153
hex7a1c05d

128041053 has 16 divisors (see below), whose sum is σ = 200384640. Its totient is φ = 71188416.

The previous prime is 128041037. The next prime is 128041079. The reversal of 128041053 is 350140821.

It is not a de Polignac number, because 128041053 - 24 = 128041037 is a prime.

It is a super-2 number, since 2×1280410532 = 32789022506697618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128041453) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 81618 + ... + 83171.

It is an arithmetic number, because the mean of its divisors is an integer number (12524040).

Almost surely, 2128041053 is an apocalyptic number.

It is an amenable number.

128041053 is a deficient number, since it is larger than the sum of its proper divisors (72343587).

128041053 is a wasteful number, since it uses less digits than its factorization.

128041053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164836.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 128041053 is about 11315.5226569523. The cubic root of 128041053 is about 504.0222928852.

Adding to 128041053 its reverse (350140821), we get a palindrome (478181874).

The spelling of 128041053 in words is "one hundred twenty-eight million, forty-one thousand, fifty-three".

Divisors: 1 3 7 21 37 111 259 777 164789 494367 1153523 3460569 6097193 18291579 42680351 128041053