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38786606172 = 22321077405727
BaseRepresentation
bin100100000111110111…
…001010010001011100
310201010002211202002100
4210013313022101130
51113413332344142
625452431325100
72542111466316
oct440767122134
9121102752070
1038786606172
11154a4034326
127625680790
13387187b852
141c3d3927b6
151020202b4c
hex907dca45c

38786606172 has 18 divisors (see below), whose sum is σ = 98043921248. Its totient is φ = 12928868712.

The previous prime is 38786606141. The next prime is 38786606203. The reversal of 38786606172 is 27160668783.

38786606172 is a `hidden beast` number, since 387 + 86 + 60 + 61 + 72 = 666.

It is an interprime number because it is at equal distance from previous prime (38786606141) and next prime (38786606203).

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 538702828 + ... + 538702899.

Almost surely, 238786606172 is an apocalyptic number.

It is an amenable number.

38786606172 is an abundant number, since it is smaller than the sum of its proper divisors (59257315076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38786606172 is a wasteful number, since it uses less digits than its factorization.

38786606172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077405737 (or 1077405732 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 38786606172 in words is "thirty-eight billion, seven hundred eighty-six million, six hundred six thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 1077405727 2154811454 3232217181 4309622908 6464434362 9696651543 12928868724 19393303086 38786606172