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87633382625 = 53701067061
BaseRepresentation
bin101000110011101011…
…0110100110011100001
322101012022200002101222
41101213112310303201
52413433121221000
6104131435304425
76221431314305
oct1214726646341
9271168602358
1087633382625
113418a83a468
1214b982ab115
138357724179
14435488bd05
15242d6eba85
hex14675b4ce1

87633382625 has 8 divisors (see below), whose sum is σ = 109366461672. Its totient is φ = 70106706000.

The previous prime is 87633382619. The next prime is 87633382631. The reversal of 87633382625 is 52628333678.

It is an interprime number because it is at equal distance from previous prime (87633382619) and next prime (87633382631).

It can be written as a sum of positive squares in 4 ways, for example, as 2206368784 + 85427013841 = 46972^2 + 292279^2 .

It is not a de Polignac number, because 87633382625 - 212 = 87633378529 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 350533406 + ... + 350533655.

It is an arithmetic number, because the mean of its divisors is an integer number (13670807709).

Almost surely, 287633382625 is an apocalyptic number.

It is an amenable number.

87633382625 is a deficient number, since it is larger than the sum of its proper divisors (21733079047).

87633382625 is an equidigital number, since it uses as much as digits as its factorization.

87633382625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701067076 (or 701067066 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 53.

The spelling of 87633382625 in words is "eighty-seven billion, six hundred thirty-three million, three hundred eighty-two thousand, six hundred twenty-five".

Divisors: 1 5 25 125 701067061 3505335305 17526676525 87633382625