Search a number
-
+
220166101 = 7119316067
BaseRepresentation
bin11010001111101…
…11011111010101
3120100021121010001
431013313133111
5422330303401
633502531301
75312244451
oct1507673725
9510247101
10220166101
11103307061
1261896b31
13367c81cc
1421351661
15144de601
hexd1f77d5

220166101 has 8 divisors (see below), whose sum is σ = 224437824. Its totient is φ = 215927040.

The previous prime is 220166077. The next prime is 220166117. The reversal of 220166101 is 101661022.

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

It is a cyclic number.

It is not a de Polignac number, because 220166101 - 25 = 220166069 is a prime.

It is a super-2 number, since 2×2201661012 = 96946224059084402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220166171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5670 + ... + 21736.

It is an arithmetic number, because the mean of its divisors is an integer number (28054728).

Almost surely, 2220166101 is an apocalyptic number.

It is an amenable number.

220166101 is a deficient number, since it is larger than the sum of its proper divisors (4271723).

220166101 is a wasteful number, since it uses less digits than its factorization.

220166101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16331.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 220166101 is about 14837.9951812905. The cubic root of 220166101 is about 603.8329627787.

The spelling of 220166101 in words is "two hundred twenty million, one hundred sixty-six thousand, one hundred one".

Divisors: 1 71 193 13703 16067 1140757 3100931 220166101