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8688522452 = 2217127772389
BaseRepresentation
bin10000001011110000…
…00101010011010100
3211102111222200010212
420011320011103110
5120243230204302
63554053104552
7425211136151
oct100570052324
924374880125
108688522452
113759498575
121825928158
13a8609425c
145c5cd5228
1535cba2052
hex205e054d4

8688522452 has 12 divisors (see below), whose sum is σ = 16099321140. Its totient is φ = 4088716416.

The previous prime is 8688522449. The next prime is 8688522457. The reversal of 8688522452 is 2542258868.

It can be written as a sum of positive squares in 2 ways, for example, as 8005954576 + 682567876 = 89476^2 + 26126^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8688522452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8688522457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63886127 + ... + 63886262.

It is an arithmetic number, because the mean of its divisors is an integer number (1341610095).

Almost surely, 28688522452 is an apocalyptic number.

It is an amenable number.

8688522452 is a deficient number, since it is larger than the sum of its proper divisors (7410798688).

8688522452 is a wasteful number, since it uses less digits than its factorization.

8688522452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127772410 (or 127772408 counting only the distinct ones).

The product of its digits is 2457600, while the sum is 50.

The square root of 8688522452 is about 93212.2441098808. The cubic root of 8688522452 is about 2055.8052741563.

The spelling of 8688522452 in words is "eight billion, six hundred eighty-eight million, five hundred twenty-two thousand, four hundred fifty-two".

Divisors: 1 2 4 17 34 68 127772389 255544778 511089556 2172130613 4344261226 8688522452