Search a number
-
+
80124185 = 5131122327
BaseRepresentation
bin1001100011010…
…01100100011001
312120202201201102
410301221210121
5131002433220
611541201145
71662021131
oct461514431
9176681642
1080124185
1141256539
1222a001b5
13137a4a7b
14a8d9ac1
15707a775
hex4c69919

80124185 has 8 divisors (see below), whose sum is σ = 96883776. Its totient is φ = 63609520.

The previous prime is 80124167. The next prime is 80124199. The reversal of 80124185 is 58142108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80124185 - 210 = 80123161 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60509 + ... + 61818.

It is an arithmetic number, because the mean of its divisors is an integer number (12110472).

Almost surely, 280124185 is an apocalyptic number.

It is an amenable number.

80124185 is a deficient number, since it is larger than the sum of its proper divisors (16759591).

80124185 is a wasteful number, since it uses less digits than its factorization.

80124185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122463.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 80124185 is about 8951.2113705353. The cubic root of 80124185 is about 431.1097797994.

The spelling of 80124185 in words is "eighty million, one hundred twenty-four thousand, one hundred eighty-five".

Divisors: 1 5 131 655 122327 611635 16024837 80124185