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88425420917 = 3710147874943
BaseRepresentation
bin101001001011010010…
…0001101100001110101
322110020112000210200112
41102112210031201311
52422043401432132
6104342211352405
76250156450661
oct1222644154165
9273215023615
1088425420917
1134556932569
12151795b2705
13845284a192
1443cbb438a1
152477eeeab2
hex149690d875

88425420917 has 16 divisors (see below), whose sum is σ = 91752175872. Its totient is φ = 85148683200.

The previous prime is 88425420907. The next prime is 88425420943. The reversal of 88425420917 is 71902452488.

It is a cyclic number.

It is not a de Polignac number, because 88425420917 - 222 = 88421226613 is a prime.

It is a super-2 number, since 2×884254209172 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88425420907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17886548 + ... + 17891490.

It is an arithmetic number, because the mean of its divisors is an integer number (5734510992).

Almost surely, 288425420917 is an apocalyptic number.

It is an amenable number.

88425420917 is a deficient number, since it is larger than the sum of its proper divisors (3326754955).

88425420917 is a wasteful number, since it uses less digits than its factorization.

88425420917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9868.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 88425420917 in words is "eighty-eight billion, four hundred twenty-five million, four hundred twenty thousand, nine hundred seventeen".

Divisors: 1 37 101 3737 4787 4943 177119 182891 483487 499243 17889019 18471991 23662141 875499217 2389876241 88425420917