Base | Representation |
---|---|
bin | 1001100011010… |
… | …10010010111101 |
3 | 12120202212210210 |
4 | 10301222102331 |
5 | 131003032130 |
6 | 11541223033 |
7 | 1662032616 |
oct | 461522275 |
9 | 176685723 |
10 | 80127165 |
11 | 412587a8 |
12 | 22a01a79 |
13 | 137a6231 |
14 | a8dac0d |
15 | 707b5b0 |
hex | 4c6a4bd |
80127165 has 8 divisors (see below), whose sum is σ = 128203488. Its totient is φ = 42734480.
The previous prime is 80127143. The next prime is 80127167. The reversal of 80127165 is 56172108.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80127165 - 29 = 80126653 is a prime.
It is a super-3 number, since 3×801271653 (a number of 25 digits) contains 333 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80127167) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2670891 + ... + 2670920.
It is an arithmetic number, because the mean of its divisors is an integer number (16025436).
Almost surely, 280127165 is an apocalyptic number.
It is an amenable number.
80127165 is a deficient number, since it is larger than the sum of its proper divisors (48076323).
80127165 is a wasteful number, since it uses less digits than its factorization.
80127165 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5341819.
The product of its (nonzero) digits is 3360, while the sum is 30.
The square root of 80127165 is about 8951.3778269046. The cubic root of 80127165 is about 431.1151243830.
It can be divided in two parts, 801 and 27165, that added together give a triangular number (27966 = T236).
The spelling of 80127165 in words is "eighty million, one hundred twenty-seven thousand, one hundred sixty-five".
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