Search a number
-
+
22203312111421 = 76949345643471
BaseRepresentation
bin1010000110001100111001…
…00001111111111100111101
32220121121121222220201211121
411003012130201333330331
510402234340400031141
6115120021043150541
74451064525661330
oct503063441777475
986547558821747
1022203312111421
11709040a936391
1225a7198375451
13c509c00ca1cc
1456a908a3c617
1528785be7e1d1
hex14319c87ff3d

22203312111421 has 8 divisors (see below), whose sum is σ = 25375579545344. Its totient is φ = 19031136103440.

The previous prime is 22203312111341. The next prime is 22203312111433. The reversal of 22203312111421 is 12411121330222.

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 22203312111421 - 217 = 22203311980349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22203312111521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22335285 + ... + 23308186.

It is an arithmetic number, because the mean of its divisors is an integer number (3171947443168).

Almost surely, 222203312111421 is an apocalyptic number.

It is an amenable number.

22203312111421 is a deficient number, since it is larger than the sum of its proper divisors (3172267433923).

22203312111421 is an equidigital number, since it uses as much as digits as its factorization.

22203312111421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45712971.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 22203312111421 its reverse (12411121330222), we get a palindrome (34614433441643).

The spelling of 22203312111421 in words is "twenty-two trillion, two hundred three billion, three hundred twelve million, one hundred eleven thousand, four hundred twenty-one".

Divisors: 1 7 69493 486451 45643471 319504297 3171901730203 22203312111421