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21014044310 = 257300200633
BaseRepresentation
bin10011100100100010…
…001101111010010110
32000020111122001112102
4103210202031322112
5321014043404220
613353111522102
71342514300210
oct234442157226
960214561472
1021014044310
118a03975576
1240a5689332
131c9b7c145c
141034c4b5b0
1582ecc3775
hex4e488de96

21014044310 has 16 divisors (see below), whose sum is σ = 43228891296. Its totient is φ = 7204815168.

The previous prime is 21014044309. The next prime is 21014044321. The reversal of 21014044310 is 1344041012.

It is a super-2 number, since 2×210140443102 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150100247 + ... + 150100386.

It is an arithmetic number, because the mean of its divisors is an integer number (2701805706).

Almost surely, 221014044310 is an apocalyptic number.

21014044310 is an abundant number, since it is smaller than the sum of its proper divisors (22214846986).

21014044310 is a wasteful number, since it uses less digits than its factorization.

21014044310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300200647.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 21014044310 its reverse (1344041012), we get a palindrome (22358085322).

The spelling of 21014044310 in words is "twenty-one billion, fourteen million, forty-four thousand, three hundred ten".

Divisors: 1 2 5 7 10 14 35 70 300200633 600401266 1501003165 2101404431 3002006330 4202808862 10507022155 21014044310