Base | Representation |
---|---|
bin | 101011111111111111111110… |
… | …0000111010110100100111011 |
3 | 1212202100111222201000010122101 |
4 | 1113333333330013112210323 |
5 | 401212031400103431041 |
6 | 3451050115455204231 |
7 | 144343565216323135 |
oct | 12777777407264473 |
9 | 1782314881003571 |
10 | 387028027795771 |
11 | 10235673498878a |
12 | 374a875b516677 |
13 | 137c5781492c9b |
14 | 6b80383b6a055 |
15 | 2eb274939db31 |
hex | 15ffffc1d693b |
387028027795771 has 32 divisors (see below), whose sum is σ = 393826515264000. Its totient is φ = 380308065345792.
The previous prime is 387028027795693. The next prime is 387028027795811. The reversal of 387028027795771 is 177597720820783.
It is a cyclic number.
It is not a de Polignac number, because 387028027795771 - 223 = 387028019407163 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 387028027795694 and 387028027795703.
It is not an unprimeable number, because it can be changed into a prime (387028025795771) 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, 21919231575 + ... + 21919249231.
It is an arithmetic number, because the mean of its divisors is an integer number (12307078602000).
Almost surely, 2387028027795771 is an apocalyptic number.
387028027795771 is a deficient number, since it is larger than the sum of its proper divisors (6798487468229).
387028027795771 is a wasteful number, since it uses less digits than its factorization.
387028027795771 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22051.
The product of its (nonzero) digits is 580849920, while the sum is 73.
The spelling of 387028027795771 in words is "three hundred eighty-seven trillion, twenty-eight billion, twenty-seven million, seven hundred ninety-five thousand, seven hundred seventy-one".
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