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11202220645 = 571129096677
BaseRepresentation
bin10100110111011010…
…00101001001100101
31001220200221202210221
422123231011021211
5140420232030040
65051330244341
7544413206260
oct123355051145
931820852727
1011202220645
1148293a81a0
1222077266b1
131096aab635
14783aadcd7
154586d674a
hex29bb45265

11202220645 has 16 divisors (see below), whose sum is σ = 16759686528. Its totient is φ = 6983202240.

The previous prime is 11202220607. The next prime is 11202220651. The reversal of 11202220645 is 54602220211.

11202220645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11202220645 - 213 = 11202212453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 14547954 + ... + 14548723.

It is an arithmetic number, because the mean of its divisors is an integer number (1047480408).

Almost surely, 211202220645 is an apocalyptic number.

It is an amenable number.

11202220645 is a deficient number, since it is larger than the sum of its proper divisors (5557465883).

11202220645 is a wasteful number, since it uses less digits than its factorization.

11202220645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29096700.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 11202220645 its reverse (54602220211), we get a palindrome (65804440856).

The spelling of 11202220645 in words is "eleven billion, two hundred two million, two hundred twenty thousand, six hundred forty-five".

Divisors: 1 5 7 11 35 55 77 385 29096677 145483385 203676739 320063447 1018383695 1600317235 2240444129 11202220645