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22005120066 = 2319193027369
BaseRepresentation
bin10100011111100110…
…110111110001000010
32002210120111220212220
4110133212313301002
5330031302320231
614035314031510
71406210301666
oct243746676102
962716456786
1022005120066
119372353446
124321578596
1320c8c25607
1410ca7148a6
1588bce0896
hex51f9b7c42

22005120066 has 16 divisors (see below), whose sum is σ = 46326568800. Its totient is φ = 6948985248.

The previous prime is 22005120061. The next prime is 22005120079. The reversal of 22005120066 is 66002150022.

It is not an unprimeable number, because it can be changed into a prime (22005120061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96513571 + ... + 96513798.

It is an arithmetic number, because the mean of its divisors is an integer number (2895410550).

Almost surely, 222005120066 is an apocalyptic number.

22005120066 is an abundant number, since it is smaller than the sum of its proper divisors (24321448734).

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

22005120066 is a wasteful number, since it uses less digits than its factorization.

22005120066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193027393.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 22005120066 its reverse (66002150022), we get a palindrome (88007270088).

The spelling of 22005120066 in words is "twenty-two billion, five million, one hundred twenty thousand, sixty-six".

Divisors: 1 2 3 6 19 38 57 114 193027369 386054738 579082107 1158164214 3667520011 7335040022 11002560033 22005120066