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22190857569 = 3217314252317
BaseRepresentation
bin10100101010101011…
…011001110101100001
32010021112000100211200
4110222223121311201
5330421324420234
614105551031413
71413624114516
oct245253316541
963245010750
1022190857569
119458184811
12437380b569
132128557b6a
14110726330d
1589d27dd99
hex52aad9d61

22190857569 has 12 divisors (see below), whose sum is σ = 32238743316. Its totient is φ = 14708390112.

The previous prime is 22190857501. The next prime is 22190857573. The reversal of 22190857569 is 96575809122.

22190857569 is a `hidden beast` number, since 2 + 2 + 1 + 9 + 0 + 8 + 575 + 69 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18717523344 + 3473334225 = 136812^2 + 58935^2 .

It is not a de Polignac number, because 22190857569 - 211 = 22190855521 is a prime.

It is a super-2 number, since 2×221908575692 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22190857369) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7124602 + ... + 7127715.

It is an arithmetic number, because the mean of its divisors is an integer number (2686561943).

Almost surely, 222190857569 is an apocalyptic number.

It is an amenable number.

22190857569 is a deficient number, since it is larger than the sum of its proper divisors (10047885747).

22190857569 is a wasteful number, since it uses less digits than its factorization.

22190857569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14252496 (or 14252493 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 54.

The spelling of 22190857569 in words is "twenty-two billion, one hundred ninety million, eight hundred fifty-seven thousand, five hundred sixty-nine".

Divisors: 1 3 9 173 519 1557 14252317 42756951 128270853 2465650841 7396952523 22190857569