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8235131368 = 231029391421
BaseRepresentation
bin1111010101101101…
…00010000111101000
3210020220212000111111
413222312202013220
5113331143200433
63441055240104
7411034314232
oct75266420750
923226760444
108235131368
1135465760a2
121719b19034
13a1317abc9
145819d3252
15332e93dcd
hex1eada21e8

8235131368 has 8 divisors (see below), whose sum is σ = 15440871330. Its totient is φ = 4117565680.

The previous prime is 8235131341. The next prime is 8235131371. The reversal of 8235131368 is 8631315328.

It can be written as a sum of positive squares in only one way, i.e., 5264663364 + 2970468004 = 72558^2 + 54502^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 8235131368.

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 as a sum of consecutive naturals, namely, 514695703 + ... + 514695718.

Almost surely, 28235131368 is an apocalyptic number.

It is an amenable number.

8235131368 is a deficient number, since it is larger than the sum of its proper divisors (7205739962).

8235131368 is a wasteful number, since it uses less digits than its factorization.

8235131368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029391427 (or 1029391423 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 8235131368 is about 90747.6245859912. The cubic root of 8235131368 is about 2019.4053871851.

The spelling of 8235131368 in words is "eight billion, two hundred thirty-five million, one hundred thirty-one thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 1029391421 2058782842 4117565684 8235131368