Search a number
-
+
3220220220231 = 371941196847009
BaseRepresentation
bin101110110111000100000…
…101010001001101000111
3102101211221200110120120010
4232313010011101031013
5410230002334021411
610503203155041303
7451440026146350
oct56670405211507
912354850416503
103220220220231
1110317623aa693
124401252a0233
131a4886040721
14b1c06626d27
1558b72e347a6
hex2edc4151347

3220220220231 has 32 divisors (see below), whose sum is σ = 5291247628800. Its totient is φ = 1700758149120.

The previous prime is 3220220220227. The next prime is 3220220220277. The reversal of 3220220220231 is 1320220220223.

It is not a de Polignac number, because 3220220220231 - 22 = 3220220220227 is a prime.

It is a super-4 number, since 4×32202202202314 (a number of 51 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 3220220220198 and 3220220220207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220220220281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98407146 + ... + 98439863.

It is an arithmetic number, because the mean of its divisors is an integer number (165351488400).

Almost surely, 23220220220231 is an apocalyptic number.

3220220220231 is a deficient number, since it is larger than the sum of its proper divisors (2071027408569).

3220220220231 is a wasteful number, since it uses less digits than its factorization.

3220220220231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196847079.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 3220220220231 its reverse (1320220220223), we get a palindrome (4540440440454).

The spelling of 3220220220231 in words is "three trillion, two hundred twenty billion, two hundred twenty million, two hundred twenty thousand, two hundred thirty-one".

Divisors: 1 3 7 19 21 41 57 123 133 287 399 779 861 2337 5453 16359 196847009 590541027 1377929063 3740093171 4133787189 8070727369 11220279513 24212182107 26180652197 56495091583 78541956591 153343820011 169485274749 460031460033 1073406740077 3220220220231