Base | Representation |
---|---|
bin | 1001100011011… |
… | …00111110001111 |
3 | 12120210102211210 |
4 | 10301230332033 |
5 | 131003410002 |
6 | 11541345503 |
7 | 1662106566 |
oct | 461547617 |
9 | 176712753 |
10 | 80138127 |
11 | 41265a63 |
12 | 22a08293 |
13 | 137ab214 |
14 | a900bdd |
15 | 707e96c |
hex | 4c6cf8f |
80138127 has 4 divisors (see below), whose sum is σ = 106850840. Its totient is φ = 53425416.
The previous prime is 80138117. The next prime is 80138161. The reversal of 80138127 is 72183108.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 80138127 - 26 = 80138063 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 80138094 and 80138103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80138117) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13356352 + ... + 13356357.
It is an arithmetic number, because the mean of its divisors is an integer number (26712710).
Almost surely, 280138127 is an apocalyptic number.
80138127 is a deficient number, since it is larger than the sum of its proper divisors (26712713).
80138127 is a wasteful number, since it uses less digits than its factorization.
80138127 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26712712.
The product of its (nonzero) digits is 2688, while the sum is 30.
The square root of 80138127 is about 8951.9901139356. The cubic root of 80138127 is about 431.1347834192.
The spelling of 80138127 in words is "eighty million, one hundred thirty-eight thousand, one hundred twenty-seven".
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