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BaseRepresentation
bin111100001110100111111…
…100010011011010000111
3112122200011001011222201000
4330032213330103122013
51020302402000444010
612445212055504343
7605011040650551
oct74164774233207
915580131158630
104138871109255
111356315928453
1256a1836880b3
132403a883292c
14104472a6c4d1
15729dca3a7c0
hex3c3a7f13687

4138871109255 has 32 divisors (see below), whose sum is σ = 7378837341120. Its totient is φ = 2201144647680.

The previous prime is 4138871109251. The next prime is 4138871109271. The reversal of 4138871109255 is 5529011788314.

4138871109255 is a `hidden beast` number, since 4 + 1 + 388 + 7 + 1 + 1 + 0 + 9 + 255 = 666.

It is not a de Polignac number, because 4138871109255 - 22 = 4138871109251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4138871109251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43377706 + ... + 43473015.

It is an arithmetic number, because the mean of its divisors is an integer number (230588666910).

Almost surely, 24138871109255 is an apocalyptic number.

4138871109255 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4138871109255 is a deficient number, since it is larger than the sum of its proper divisors (3239966231865).

4138871109255 is a wasteful number, since it uses less digits than its factorization.

4138871109255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86851088 (or 86851082 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 54.

The spelling of 4138871109255 in words is "four trillion, one hundred thirty-eight billion, eight hundred seventy-one million, one hundred nine thousand, two hundred fifty-five".