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22530308505 = 351725197303
BaseRepresentation
bin10100111110111010…
…010011100110011001
32011011011202020222120
4110332322103212121
5332120224333010
614203354411453
71425215314425
oct247672234631
964134666876
1022530308505
119611854281
124449430b89
1321809895c3
14113a385b85
158bce81e70
hex53ee93999

22530308505 has 24 divisors (see below), whose sum is σ = 38293735872. Its totient is φ = 11309329152.

The previous prime is 22530308503. The next prime is 22530308587. The reversal of 22530308505 is 50580303522.

It is not a de Polignac number, because 22530308505 - 21 = 22530308503 is a prime.

It is a super-2 number, since 2×225303085052 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22530308501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2594317 + ... + 2602986.

It is an arithmetic number, because the mean of its divisors is an integer number (1595572328).

Almost surely, 222530308505 is an apocalyptic number.

It is an amenable number.

22530308505 is a deficient number, since it is larger than the sum of its proper divisors (15763427367).

22530308505 is a wasteful number, since it uses less digits than its factorization.

22530308505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5197345 (or 5197328 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 22530308505 in words is "twenty-two billion, five hundred thirty million, three hundred eight thousand, five hundred five".

Divisors: 1 3 5 15 17 51 85 255 289 867 1445 4335 5197303 15591909 25986515 77959545 88354151 265062453 441770755 1325312265 1502020567 4506061701 7510102835 22530308505