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88047772385 = 531657556261
BaseRepresentation
bin101001000000000001…
…1100110001011100001
322102021012102021021212
41102000003212023201
52420310212204020
6104240521155505
76234622500566
oct1220003461341
9272235367255
1088047772385
1134382743641
121509302bb95
1383c2533401
14439391a86d
152454ca3cc5
hex14800e62e1

88047772385 has 8 divisors (see below), whose sum is σ = 105660854376. Its totient is φ = 70435866240.

The previous prime is 88047772369. The next prime is 88047772387. The reversal of 88047772385 is 58327774088.

It can be written as a sum of positive squares in 4 ways, for example, as 5607424 + 88042164961 = 2368^2 + 296719^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 88047772385 - 24 = 88047772369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88047772387) 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 7 ways as a sum of consecutive naturals, for example, 119846 + ... + 436415.

It is an arithmetic number, because the mean of its divisors is an integer number (13207606797).

Almost surely, 288047772385 is an apocalyptic number.

It is an amenable number.

88047772385 is a deficient number, since it is larger than the sum of its proper divisors (17613081991).

88047772385 is a wasteful number, since it uses less digits than its factorization.

88047772385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587923.

The product of its (nonzero) digits is 21073920, while the sum is 59.

The spelling of 88047772385 in words is "eighty-eight billion, forty-seven million, seven hundred seventy-two thousand, three hundred eighty-five".

Divisors: 1 5 31657 158285 556261 2781305 17609554477 88047772385