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8538868836 = 2232154012
BaseRepresentation
bin1111111001111010…
…01100110001100100
3211001002101110222100
413330331030301210
5114441422300321
63531145332100
7421413121221
oct77475146144
924032343870
108538868836
113691a725a3
1217a3797030
13a61086c14
145b009a948
1534e990326
hex1fcf4cc64

8538868836 has 27 divisors (see below), whose sum is σ = 21585764473. Its totient is φ = 2846104800.

The previous prime is 8538868799. The next prime is 8538868859. The reversal of 8538868836 is 6388688358.

The square root of 8538868836 is 92406.

It is a perfect power (a square), and thus also a powerful number.

8538868836 is a `hidden beast` number, since 8 + 538 + 8 + 68 + 8 + 36 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8483515236 + 55353600 = 92106^2 + 7440^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 546736 + ... + 562136.

Almost surely, 28538868836 is an apocalyptic number.

8538868836 is the 92406-th square number.

It is an amenable number.

8538868836 is an abundant number, since it is smaller than the sum of its proper divisors (13046895637).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8538868836 is an equidigital number, since it uses as much as digits as its factorization.

8538868836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30812 (or 15406 counting only the distinct ones).

The product of its digits is 53084160, while the sum is 63.

The cubic root of 8538868836 is about 2043.9335896127.

The spelling of 8538868836 in words is "eight billion, five hundred thirty-eight million, eight hundred sixty-eight thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 9 12 18 36 15401 30802 46203 61604 92406 138609 184812 277218 554436 237190801 474381602 711572403 948763204 1423144806 2134717209 2846289612 4269434418 8538868836