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22152202405 = 5231693113779
BaseRepresentation
bin10100101000010111…
…111100100010100101
32010011211021110220221
4110220113330202211
5330331430434110
614102050324341
71412644420324
oct245027744245
963154243827
1022152202405
1194383825a3
1243628896b1
132120542498
1411020800bb
15899b957da
hex5285fc8a5

22152202405 has 16 divisors (see below), whose sum is σ = 27755038080. Its totient is φ = 16941089088.

The previous prime is 22152202367. The next prime is 22152202409. The reversal of 22152202405 is 50420225122.

It is a cyclic number.

It is not a de Polignac number, because 22152202405 - 221 = 22150105253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22152202405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22152202409) 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 15 ways as a sum of consecutive naturals, for example, 137806 + ... + 251584.

It is an arithmetic number, because the mean of its divisors is an integer number (1734689880).

Almost surely, 222152202405 is an apocalyptic number.

It is an amenable number.

22152202405 is a deficient number, since it is larger than the sum of its proper divisors (5602835675).

22152202405 is a wasteful number, since it uses less digits than its factorization.

22152202405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115500.

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 22152202405 its reverse (50420225122), we get a palindrome (72572427527).

The spelling of 22152202405 in words is "twenty-two billion, one hundred fifty-two million, two hundred two thousand, four hundred five".

Divisors: 1 5 23 115 1693 8465 38939 113779 194695 568895 2616917 13084585 192627847 963139235 4430440481 22152202405