Base | Representation |
---|---|
bin | 1000010001010111… |
… | …1110110110101101 |
3 | 12201201222201102222 |
4 | 2010111332312231 |
5 | 14021402324424 |
6 | 1004153525125 |
7 | 106010464106 |
oct | 20425766655 |
9 | 5651881388 |
10 | 2220354989 |
11 | a3a372626 |
12 | 51b7137a5 |
13 | 29500a528 |
14 | 170c593ad |
15 | ceddce5e |
hex | 8457edad |
2220354989 has 8 divisors (see below), whose sum is σ = 2353877568. Its totient is φ = 2087156160.
The previous prime is 2220354973. The next prime is 2220355021. The reversal of 2220354989 is 9894530222.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2220354989 - 24 = 2220354973 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2220354949) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66737 + ... + 94310.
It is an arithmetic number, because the mean of its divisors is an integer number (294234696).
Almost surely, 22220354989 is an apocalyptic number.
It is an amenable number.
2220354989 is a deficient number, since it is larger than the sum of its proper divisors (133522579).
2220354989 is a wasteful number, since it uses less digits than its factorization.
2220354989 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 161875.
The product of its (nonzero) digits is 311040, while the sum is 44.
The square root of 2220354989 is about 47120.6429179399. The cubic root of 2220354989 is about 1304.5902794251.
The spelling of 2220354989 in words is "two billion, two hundred twenty million, three hundred fifty-four thousand, nine hundred eighty-nine".
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