[go: up one dir, main page]

Search a number
-
+
80127165 = 355341811
BaseRepresentation
bin1001100011010…
…10010010111101
312120202212210210
410301222102331
5131003032130
611541223033
71662032616
oct461522275
9176685723
1080127165
11412587a8
1222a01a79
13137a6231
14a8dac0d
15707b5b0
hex4c6a4bd

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".

Divisors: 1 3 5 15 5341811 16025433 26709055 80127165