Base | Representation |
---|---|
bin | 1000010000110000… |
… | …0101100001101000 |
3 | 12201120002220222120 |
4 | 2010030011201220 |
5 | 14020221321442 |
6 | 1004022151240 |
7 | 105646441065 |
oct | 20414054150 |
9 | 5646086876 |
10 | 2217760872 |
11 | a38960628 |
12 | 51a882520 |
13 | 29460c852 |
14 | 170781c6c |
15 | cea794ec |
hex | 84305868 |
2217760872 has 16 divisors (see below), whose sum is σ = 5544402240. Its totient is φ = 739253616.
The previous prime is 2217760837. The next prime is 2217760907. The reversal of 2217760872 is 2780677122.
It is an interprime number because it is at equal distance from previous prime (2217760837) and next prime (2217760907).
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, 46203328 + ... + 46203375.
It is an arithmetic number, because the mean of its divisors is an integer number (346525140).
Almost surely, 22217760872 is an apocalyptic number.
It is an amenable number.
2217760872 is an abundant number, since it is smaller than the sum of its proper divisors (3326641368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2217760872 is a wasteful number, since it uses less digits than its factorization.
2217760872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92406712 (or 92406708 counting only the distinct ones).
The product of its (nonzero) digits is 131712, while the sum is 42.
The square root of 2217760872 is about 47093.1085404223. The cubic root of 2217760872 is about 1304.0820155549.
The spelling of 2217760872 in words is "two billion, two hundred seventeen million, seven hundred sixty thousand, eight hundred seventy-two".
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