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36128870432 = 25336012
BaseRepresentation
bin100001101001011100…
…101101000000100000
310110020212211210001022
4201221130231000200
51042442442323212
624333011025012
72416210221524
oct415134550040
9113225753038
1036128870432
111435a895106
12700359b168
13353a072455
141a6a401d84
15e16c1a772
hex86972d020

36128870432 has 18 divisors (see below), whose sum is σ = 71130830589. Its totient is φ = 18063897600.

The previous prime is 36128870431. The next prime is 36128870507. The reversal of 36128870432 is 23407882163.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 21116739856 + 15012130576 = 145316^2 + 122524^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=134404.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36128870431) 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 2 ways as a sum of consecutive naturals, for example, 1058432 + ... + 1092032.

Almost surely, 236128870432 is an apocalyptic number.

36128870432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

36128870432 is a deficient number, since it is larger than the sum of its proper divisors (35001960157).

36128870432 is an frugal number, since it uses more digits than its factorization.

36128870432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67212 (or 33603 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 36128870432 in words is "thirty-six billion, one hundred twenty-eight million, eight hundred seventy thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 32 33601 67202 134404 268808 537616 1075232 1129027201 2258054402 4516108804 9032217608 18064435216 36128870432