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8638422795 = 35530723159
BaseRepresentation
bin10000000101110001…
…11101111100001011
3211022000201100100000
420002320331330023
5120142414012140
63545103214043
7424032245052
oct100270757413
924260640300
108638422795
1137331899a2
121810ba7323
13a788a26a2
145bd3b3399
153585a7a30
hex202e3df0b

8638422795 has 48 divisors (see below), whose sum is σ = 15579083520. Its totient is φ = 4591953504.

The previous prime is 8638422791. The next prime is 8638422811. The reversal of 8638422795 is 5972248368.

8638422795 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 8638422795 - 22 = 8638422791 is a prime.

It is a super-2 number, since 2×86384227952 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8638422791) 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 47 ways as a sum of consecutive naturals, for example, 361426 + ... + 384584.

It is an arithmetic number, because the mean of its divisors is an integer number (324564240).

Almost surely, 28638422795 is an apocalyptic number.

8638422795 is a deficient number, since it is larger than the sum of its proper divisors (6940660725).

8638422795 is a wasteful number, since it uses less digits than its factorization.

8638422795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23486 (or 23474 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 8638422795 is about 92943.1159096789. The cubic root of 8638422795 is about 2051.8462681075.

The spelling of 8638422795 in words is "eight billion, six hundred thirty-eight million, four hundred twenty-two thousand, seven hundred ninety-five".

Divisors: 1 3 5 9 15 27 45 81 135 243 307 405 921 1215 1535 2763 4605 8289 13815 23159 24867 41445 69477 74601 115795 124335 208431 347385 373005 625293 1042155 1875879 3126465 5627637 7109813 9379395 21329439 28138185 35549065 63988317 106647195 191964951 319941585 575894853 959824755 1727684559 2879474265 8638422795