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8221099029 = 3111319163401
BaseRepresentation
bin1111010100000010…
…00000010000010101
3210012221110002202020
413222001000100111
5113314100132104
63435434403353
7410504121513
oct75201002025
923187402666
108221099029
113539661420
121715290559
13a102a6b50
1457dbbd4b3
15331b212d9
hex1ea040415

8221099029 has 16 divisors (see below), whose sum is σ = 12877806144. Its totient is φ = 4599216000.

The previous prime is 8221099027. The next prime is 8221099063. The reversal of 8221099029 is 9209901228.

It is a happy number.

It is not a de Polignac number, because 8221099029 - 21 = 8221099027 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8221099021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9581272 + ... + 9582129.

It is an arithmetic number, because the mean of its divisors is an integer number (804862884).

Almost surely, 28221099029 is an apocalyptic number.

It is an amenable number.

8221099029 is a deficient number, since it is larger than the sum of its proper divisors (4656707115).

8221099029 is a wasteful number, since it uses less digits than its factorization.

8221099029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19163428.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 8221099029 is about 90670.2764361067. The cubic root of 8221099029 is about 2018.2577393824.

It can be divided in two parts, 822109 and 9029, that added together give a palindrome (831138).

The spelling of 8221099029 in words is "eight billion, two hundred twenty-one million, ninety-nine thousand, twenty-nine".

Divisors: 1 3 11 13 33 39 143 429 19163401 57490203 210797411 249124213 632392233 747372639 2740366343 8221099029