Search a number
-
+
224215471081 = 777239414697
BaseRepresentation
bin1101000011010001001…
…0001001001111101001
3210102201221222001221201
43100310102021033221
512133143130033311
6251000403404201
722125161026030
oct3206422111751
9712657861851
10224215471081
11870a8874018
1237555383661
13181b315b6a4
14abd01a9717
155c743289c1
hex34344893e9

224215471081 has 8 divisors (see below), whose sum is σ = 256250188160. Its totient is φ = 192181737888.

The previous prime is 224215471079. The next prime is 224215471091. The reversal of 224215471081 is 180174512422.

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

It is not a de Polignac number, because 224215471081 - 21 = 224215471079 is a prime.

It is a super-2 number, since 2×2242154710812 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 224215471081.

It is not an unprimeable number, because it can be changed into a prime (224215471021) by changing a digit.

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, 333325 + ... + 748021.

It is an arithmetic number, because the mean of its divisors is an integer number (32031273520).

Almost surely, 2224215471081 is an apocalyptic number.

It is an amenable number.

224215471081 is a deficient number, since it is larger than the sum of its proper divisors (32034717079).

224215471081 is an equidigital number, since it uses as much as digits as its factorization.

224215471081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491943.

The product of its (nonzero) digits is 35840, while the sum is 37.

The spelling of 224215471081 in words is "two hundred twenty-four billion, two hundred fifteen million, four hundred seventy-one thousand, eighty-one".

Divisors: 1 7 77239 414697 540673 2902879 32030781583 224215471081