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88044072173 = 175237988937
BaseRepresentation
bin101000111111111010…
…1011110110011101101
322102020221110021112222
41101333311132303231
52420303240302143
6104240310005125
76234546160031
oct1217765366355
9272227407488
1088044072173
1134380646612
12150919467a5
1383c1839135
1443932361c1
1524547c2768
hex147fd5eced

88044072173 has 8 divisors (see below), whose sum is σ = 93241030392. Its totient is φ = 82849102336.

The previous prime is 88044072133. The next prime is 88044072211. The reversal of 88044072173 is 37127044088.

It can be written as a sum of positive squares in 4 ways, for example, as 64425607684 + 23618464489 = 253822^2 + 153683^2 .

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

It is not a de Polignac number, because 88044072173 - 216 = 88044006637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88044072133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405440 + ... + 583497.

It is an arithmetic number, because the mean of its divisors is an integer number (11655128799).

Almost surely, 288044072173 is an apocalyptic number.

It is an amenable number.

88044072173 is a deficient number, since it is larger than the sum of its proper divisors (5196958219).

88044072173 is a wasteful number, since it uses less digits than its factorization.

88044072173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994191.

The product of its (nonzero) digits is 301056, while the sum is 44.

The spelling of 88044072173 in words is "eighty-eight billion, forty-four million, seventy-two thousand, one hundred seventy-three".

Divisors: 1 17 5237 89029 988937 16811929 5179063069 88044072173