Base | Representation |
---|---|
bin | 1011010100011001111… |
… | …10000101000001010011 |
3 | 1101011211221210202000002 |
4 | 11222030332011001103 |
5 | 22332443001442441 |
6 | 454355212520215 |
7 | 40045414435436 |
oct | 5521476050123 |
9 | 1334757722002 |
10 | 388912140371 |
11 | 13aa33845347 |
12 | 63459a8006b |
13 | 2a89c461061 |
14 | 14b7578181d |
15 | a1b32a1b9b |
hex | 5a8cf85053 |
388912140371 has 2 divisors, whose sum is σ = 388912140372. Its totient is φ = 388912140370.
The previous prime is 388912140367. The next prime is 388912140403. The reversal of 388912140371 is 173041219883.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 388912140371 - 22 = 388912140367 is a prime.
It is a Sophie Germain prime.
It is not a weakly prime, because it can be changed into another prime (388912140671) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194456070185 + 194456070186.
It is an arithmetic number, because the mean of its divisors is an integer number (194456070186).
Almost surely, 2388912140371 is an apocalyptic number.
388912140371 is a deficient number, since it is larger than the sum of its proper divisors (1).
388912140371 is an equidigital number, since it uses as much as digits as its factorization.
388912140371 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 290304, while the sum is 47.
The spelling of 388912140371 in words is "three hundred eighty-eight billion, nine hundred twelve million, one hundred forty thousand, three hundred seventy-one".
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