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22100143055 = 5172311304421
BaseRepresentation
bin10100100101010001…
…010110101111001111
32010001012022120220212
4110211101112233033
5330230114034210
614052550433035
71411443054644
oct244521265717
963035276825
1022100143055
119410a55641
12434936277b
132112815933
1410d91abdcb
15895310805
hex525456bcf

22100143055 has 16 divisors (see below), whose sum is σ = 29301061824. Its totient is φ = 15916623360.

The previous prime is 22100143049. The next prime is 22100143057. The reversal of 22100143055 is 55034100122.

It is not a de Polignac number, because 22100143055 - 212 = 22100138959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 22100143055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100143057) 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 15 ways as a sum of consecutive naturals, for example, 5650256 + ... + 5654165.

It is an arithmetic number, because the mean of its divisors is an integer number (1831316364).

Almost surely, 222100143055 is an apocalyptic number.

22100143055 is a deficient number, since it is larger than the sum of its proper divisors (7200918769).

22100143055 is a wasteful number, since it uses less digits than its factorization.

22100143055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11304466.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 22100143055 its reverse (55034100122), we get a palindrome (77134243177).

The spelling of 22100143055 in words is "twenty-two billion, one hundred million, one hundred forty-three thousand, fifty-five".

Divisors: 1 5 17 23 85 115 391 1955 11304421 56522105 192175157 260001683 960875785 1300008415 4420028611 22100143055