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220103142343 = 72312719156359
BaseRepresentation
bin1100110011111100101…
…0110110101111000111
3210001010100220010102221
43030333022312233013
512101232401023333
6245040342113211
721621234561310
oct3147712665707
9701110803387
10220103142343
1185388538627
12367a811b807
13179a919a986
14a91dd75607
155ad32b5d2d
hex333f2b6bc7

220103142343 has 32 divisors (see below), whose sum is σ = 265939845120. Its totient is φ = 178095788640.

The previous prime is 220103142323. The next prime is 220103142353. The reversal of 220103142343 is 343241301022.

It is a de Polignac number, because none of the positive numbers 2k-220103142343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220103142313) 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, 3877198 + ... + 3933556.

It is an arithmetic number, because the mean of its divisors is an integer number (8310620160).

Almost surely, 2220103142343 is an apocalyptic number.

220103142343 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

220103142343 is a deficient number, since it is larger than the sum of its proper divisors (45836702777).

220103142343 is a wasteful number, since it uses less digits than its factorization.

220103142343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56707.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 220103142343 its reverse (343241301022), we get a palindrome (563344443365).

The spelling of 220103142343 in words is "two hundred twenty billion, one hundred three million, one hundred forty-two thousand, three hundred forty-three".

Divisors: 1 7 23 127 161 191 889 1337 2921 4393 20447 24257 30751 56359 169799 394513 557911 1296257 3905377 7157593 9073799 10764569 50103151 75351983 164624639 247585087 1152372473 1367100263 1733095609 9569701841 31443306049 220103142343