Base | Representation |
---|---|
bin | 1000010000100110… |
… | …0111100110000110 |
3 | 12201111220001121222 |
4 | 2010021213212012 |
5 | 14020040121430 |
6 | 1004000240342 |
7 | 105641105120 |
oct | 20411474606 |
9 | 5644801558 |
10 | 2217113990 |
11 | a38559613 |
12 | 51a6100b2 |
13 | 294444290 |
14 | 170654210 |
15 | ce99c9e5 |
hex | 84267986 |
2217113990 has 192 divisors, whose sum is σ = 5502639744. Its totient is φ = 624070656.
The previous prime is 2217113989. The next prime is 2217114001. The reversal of 2217113990 is 993117122.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a self number, because there is not a number n which added to its sum of digits gives 2217113990.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5584472 + ... + 5584868.
It is an arithmetic number, because the mean of its divisors is an integer number (28659582).
Almost surely, 22217113990 is an apocalyptic number.
2217113990 is an abundant number, since it is smaller than the sum of its proper divisors (3285525754).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2217113990 is a wasteful number, since it uses less digits than its factorization.
2217113990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 479 (or 460 counting only the distinct ones).
The product of its (nonzero) digits is 6804, while the sum is 35.
The square root of 2217113990 is about 47086.2399220834. The cubic root of 2217113990 is about 1303.9552105979.
The spelling of 2217113990 in words is "two billion, two hundred seventeen million, one hundred thirteen thousand, nine hundred ninety".
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