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21336044063312 = 2411211020683917
BaseRepresentation
bin1001101100111101011110…
…10100111100101001010000
32210112201001121002002102202
410312132233110330221100
510244032204240011222
6113213350543102332
74331323030131056
oct466365724745120
983481047062382
1021336044063312
11688662470a500
122487099ba19a8
13bb9c989c9194
1453a9548501d6
1526eeed323892
hex1367af53ca50

21336044063312 has 30 divisors (see below), whose sum is σ = 45438279793914. Its totient is φ = 9698201846080.

The previous prime is 21336044063311. The next prime is 21336044063359.

21336044063312 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 19659682037776 + 1676362025536 = 4433924^2 + 1294744^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21336044063311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5510340023 + ... + 5510343894.

Almost surely, 221336044063312 is an apocalyptic number.

21336044063312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21336044063312 is an abundant number, since it is smaller than the sum of its proper divisors (24102235730602).

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

21336044063312 is a wasteful number, since it uses less digits than its factorization.

21336044063312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11020683947 (or 11020683930 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 38.

It can be divided in two parts, 2133604 and 4063312, that added together give a palindrome (6196916).

The spelling of 21336044063312 in words is "twenty-one trillion, three hundred thirty-six billion, forty-four million, sixty-three thousand, three hundred twelve".

Divisors: 1 2 4 8 11 16 22 44 88 121 176 242 484 968 1936 11020683917 22041367834 44082735668 88165471336 121227523087 176330942672 242455046174 484910092348 969820184696 1333502753957 1939640369392 2667005507914 5334011015828 10668022031656 21336044063312