Base | Representation |
---|---|
bin | 1011010010001000000… |
… | …00010111101001001011 |
3 | 1101001200122101011211022 |
4 | 11221010000113221023 |
5 | 22322441112113141 |
6 | 454033523223055 |
7 | 40003161443306 |
oct | 5510400275113 |
9 | 1331618334738 |
10 | 387688004171 |
11 | 13a465853736 |
12 | 63177b17a8b |
13 | 2a735968900 |
14 | 14a9ad6bb3d |
15 | a140a99b4b |
hex | 5a44017a4b |
387688004171 has 12 divisors (see below), whose sum is σ = 429567065928. Its totient is φ = 349543381824.
The previous prime is 387688004167. The next prime is 387688004183. The reversal of 387688004171 is 171400886783.
It is not a de Polignac number, because 387688004171 - 22 = 387688004167 is a prime.
It is not an unprimeable number, because it can be changed into a prime (387688004101) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26667290 + ... + 26681823.
It is an arithmetic number, because the mean of its divisors is an integer number (35797255494).
Almost surely, 2387688004171 is an apocalyptic number.
387688004171 is a deficient number, since it is larger than the sum of its proper divisors (41879061757).
387688004171 is a wasteful number, since it uses less digits than its factorization.
387688004171 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53349182 (or 53349169 counting only the distinct ones).
The product of its (nonzero) digits is 1806336, while the sum is 53.
The spelling of 387688004171 in words is "three hundred eighty-seven billion, six hundred eighty-eight million, four thousand, one hundred seventy-one".
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