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88008040840 = 2352200201021
BaseRepresentation
bin101000111110110110…
…0000010000110001000
322102011102122200212011
41101331230002012020
52420220024301330
6104232541425304
76233631001306
oct1217554020610
9272142580764
1088008040840
1134362276755
121508186b234
1383b7231b15
14438c537276
15245155682a
hex147db02188

88008040840 has 16 divisors (see below), whose sum is σ = 198018091980. Its totient is φ = 35203216320.

The previous prime is 88008040837. The next prime is 88008040867. The reversal of 88008040840 is 4804080088.

It can be written as a sum of positive squares in 2 ways, for example, as 86105859844 + 1902180996 = 293438^2 + 43614^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 2200201021 = 88008040840 / (8 + 8 + 0 + 0 + 8 + 0 + 4 + 0 + 8 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 88008040793 and 88008040802.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1100100471 + ... + 1100100550.

Almost surely, 288008040840 is an apocalyptic number.

It is an amenable number.

88008040840 is an abundant number, since it is smaller than the sum of its proper divisors (110010051140).

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

88008040840 is a wasteful number, since it uses less digits than its factorization.

88008040840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200201032 (or 2200201028 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 40.

The spelling of 88008040840 in words is "eighty-eight billion, eight million, forty thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 2200201021 4400402042 8800804084 11001005105 17601608168 22002010210 44004020420 88008040840