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21334052424 = 233888918851
BaseRepresentation
bin10011110111100110…
…111100111001001000
32001001210210011010210
4103313212330321020
5322143004134144
613444542441120
71353451311366
oct236746747110
961053704123
1021334052424
119058575393
1241748931a0
13201cba6279
14106554c636
1584ce35ab9
hex4f79bce48

21334052424 has 16 divisors (see below), whose sum is σ = 53335131120. Its totient is φ = 7111350800.

The previous prime is 21334052419. The next prime is 21334052447. The reversal of 21334052424 is 42425043312.

It is a junction number, because it is equal to n+sod(n) for n = 21334052391 and 21334052400.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444459402 + ... + 444459449.

It is an arithmetic number, because the mean of its divisors is an integer number (3333445695).

Almost surely, 221334052424 is an apocalyptic number.

21334052424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

21334052424 is an abundant number, since it is smaller than the sum of its proper divisors (32001078696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21334052424 is a wasteful number, since it uses less digits than its factorization.

21334052424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888918860 (or 888918856 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 21334052424 its reverse (42425043312), we get a palindrome (63759095736).

The spelling of 21334052424 in words is "twenty-one billion, three hundred thirty-four million, fifty-two thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 888918851 1777837702 2666756553 3555675404 5333513106 7111350808 10667026212 21334052424