Base | Representation |
---|---|
bin | 101000111110110110… |
… | …0000010000110001000 |
3 | 22102011102122200212011 |
4 | 1101331230002012020 |
5 | 2420220024301330 |
6 | 104232541425304 |
7 | 6233631001306 |
oct | 1217554020610 |
9 | 272142580764 |
10 | 88008040840 |
11 | 34362276755 |
12 | 1508186b234 |
13 | 83b7231b15 |
14 | 438c537276 |
15 | 245155682a |
hex | 147db02188 |
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".
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