Base | Representation |
---|---|
bin | 101001000111001110… |
… | …0101000001000101100 |
3 | 22102220000201211022200 |
4 | 1102032130220020230 |
5 | 2421304014340040 |
6 | 104320504141500 |
7 | 6243613642146 |
oct | 1221634501054 |
9 | 272800654280 |
10 | 88289215020 |
11 | 34496a62006 |
12 | 1513ba67890 |
13 | 843056aa86 |
14 | 43b7a09c96 |
15 | 246b097630 |
hex | 148e72822c |
88289215020 has 72 divisors (see below), whose sum is σ = 268281599040. Its totient is φ = 23502385920.
The previous prime is 88289215019. The next prime is 88289215043. The reversal of 88289215020 is 2051298288.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 328596 + ... + 533435.
It is an arithmetic number, because the mean of its divisors is an integer number (3726133320).
Almost surely, 288289215020 is an apocalyptic number.
It is an amenable number.
88289215020 is an abundant number, since it is smaller than the sum of its proper divisors (179992384020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
88289215020 is a wasteful number, since it uses less digits than its factorization.
88289215020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 862615 (or 862610 counting only the distinct ones).
The product of its (nonzero) digits is 184320, while the sum is 45.
The spelling of 88289215020 in words is "eighty-eight billion, two hundred eighty-nine million, two hundred fifteen thousand, twenty".
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