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22605536057 = 131738887389
BaseRepresentation
bin10101000011011001…
…010001101100111001
32011100102022012210012
4111003121101230321
5332244004123212
614215043031305
71430120612636
oct250331215471
964312265705
1022605536057
119650265905
12446a66b535
132193438650
14114636918d
158c4891922
hex543651b39

22605536057 has 4 divisors (see below), whose sum is σ = 24344423460. Its totient is φ = 20866648656.

The previous prime is 22605536033. The next prime is 22605536111. The reversal of 22605536057 is 75063550622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2068066576 + 20537469481 = 45476^2 + 143309^2 .

It is a cyclic number.

It is not a de Polignac number, because 22605536057 - 212 = 22605531961 is a prime.

It is a super-2 number, since 2×226055360572 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22605586057) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 869443682 + ... + 869443707.

It is an arithmetic number, because the mean of its divisors is an integer number (6086105865).

Almost surely, 222605536057 is an apocalyptic number.

It is an amenable number.

22605536057 is a deficient number, since it is larger than the sum of its proper divisors (1738887403).

22605536057 is a wasteful number, since it uses less digits than its factorization.

22605536057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738887402.

The product of its (nonzero) digits is 378000, while the sum is 41.

The spelling of 22605536057 in words is "twenty-two billion, six hundred five million, five hundred thirty-six thousand, fifty-seven".

Divisors: 1 13 1738887389 22605536057