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21663411150062 = 2111657594267053
BaseRepresentation
bin1001110110011111001111…
…11011010001110011101110
32211201000001101000011120102
410323033213323101303232
510314413131223300222
6114024011135551102
74364062344350363
oct473174773216356
984630041004512
1021663411150062
1169a2445915070
12251a62068b492
13c11b0a594c36
1454c72c46c46a
152787ad3c8d92
hex13b3e7ed1cee

21663411150062 has 16 divisors (see below), whose sum is σ = 35470611919152. Its totient is φ = 9841062381120.

The previous prime is 21663411149957. The next prime is 21663411150067. The reversal of 21663411150062 is 26005111436612.

It is a junction number, because it is equal to n+sod(n) for n = 21663411149998 and 21663411150025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21663411150067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297097073 + ... + 297169980.

It is an arithmetic number, because the mean of its divisors is an integer number (2216913244947).

Almost surely, 221663411150062 is an apocalyptic number.

21663411150062 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21663411150062 is a deficient number, since it is larger than the sum of its proper divisors (13807200769090).

21663411150062 is a wasteful number, since it uses less digits than its factorization.

21663411150062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594268723.

The product of its (nonzero) digits is 51840, while the sum is 38.

Adding to 21663411150062 its reverse (26005111436612), we get a palindrome (47668522586674).

The spelling of 21663411150062 in words is "twenty-one trillion, six hundred sixty-three billion, four hundred eleven million, one hundred fifty thousand, sixty-two".

Divisors: 1 2 11 22 1657 3314 18227 36454 594267053 1188534106 6536937583 13073875166 984700506821 1969401013642 10831705575031 21663411150062