Search a number
-
+
427052540185 = 5255133481187
BaseRepresentation
bin1100011011011100101…
…00001010000100011001
31111211022000200210121121
412031232110022010121
523444100422241220
6524104002005241
742565521461365
oct6155624120431
91454260623547
10427052540185
11155126031227
126a923046821
133136a18657b
1416952da02a5
15b1968aaeaa
hex636e50a119

427052540185 has 8 divisors (see below), whose sum is σ = 512663950656. Its totient is φ = 341508097200.

The previous prime is 427052540153. The next prime is 427052540197. The reversal of 427052540185 is 581045250724.

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

It is not a de Polignac number, because 427052540185 - 25 = 427052540153 is a prime.

It is a super-2 number, since 2×4270525401852 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16727839 + ... + 16753348.

It is an arithmetic number, because the mean of its divisors is an integer number (64082993832).

Almost surely, 2427052540185 is an apocalyptic number.

It is an amenable number.

427052540185 is a deficient number, since it is larger than the sum of its proper divisors (85611410471).

427052540185 is a wasteful number, since it uses less digits than its factorization.

427052540185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33483743.

The product of its (nonzero) digits is 448000, while the sum is 43.

The spelling of 427052540185 in words is "four hundred twenty-seven billion, fifty-two million, five hundred forty thousand, one hundred eighty-five".

Divisors: 1 5 2551 12755 33481187 167405935 85410508037 427052540185