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21244444314 = 233540740719
BaseRepresentation
bin10011110010010001…
…000111111010011010
32000211120011120220220
4103302101013322122
5322002034204224
613432022100510
71351312540302
oct236221077232
960746146826
1021244444314
119011a314a5
12414a87a736
132007460812
1410576a4602
15845135279
hex4f2447e9a

21244444314 has 8 divisors (see below), whose sum is σ = 42488888640. Its totient is φ = 7081481436.

The previous prime is 21244444307. The next prime is 21244444337. The reversal of 21244444314 is 41344444212.

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

21244444314 is an admirable number.

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, 1770370354 + ... + 1770370365.

It is an arithmetic number, because the mean of its divisors is an integer number (5311111080).

Almost surely, 221244444314 is an apocalyptic number.

21244444314 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21244444314 is a wasteful number, since it uses less digits than its factorization.

21244444314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3540740724.

The product of its digits is 49152, while the sum is 33.

Adding to 21244444314 its reverse (41344444212), we get a palindrome (62588888526).

The spelling of 21244444314 in words is "twenty-one billion, two hundred forty-four million, four hundred forty-four thousand, three hundred fourteen".

Divisors: 1 2 3 6 3540740719 7081481438 10622222157 21244444314