Base | Representation |
---|---|
bin | 1000010001010010… |
… | …1111100000011100 |
3 | 12201201101012121121 |
4 | 2010110233200130 |
5 | 14021311424410 |
6 | 1004142540324 |
7 | 106004641420 |
oct | 20424574034 |
9 | 5651335547 |
10 | 2220029980 |
11 | a3a170423 |
12 | 51b5976a4 |
13 | 294c2560c |
14 | 170bb2b80 |
15 | ced769da |
hex | 8452f81c |
2220029980 has 24 divisors (see below), whose sum is σ = 5328072288. Its totient is φ = 761153088.
The previous prime is 2220029971. The next prime is 2220030023. The reversal of 2220029980 is 899200222.
It is a super-2 number, since 2×22200299802 = 9857066224197600800, which contains 22 as substring.
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 7 ways as a sum of consecutive naturals, for example, 7928539 + ... + 7928818.
It is an arithmetic number, because the mean of its divisors is an integer number (222003012).
Almost surely, 22220029980 is an apocalyptic number.
2220029980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2220029980 is an abundant number, since it is smaller than the sum of its proper divisors (3108042308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2220029980 is a wasteful number, since it uses less digits than its factorization.
2220029980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15857373 (or 15857371 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 34.
The square root of 2220029980 is about 47117.1941015167. The cubic root of 2220029980 is about 1304.5266222961.
The spelling of 2220029980 in words is "two billion, two hundred twenty million, twenty-nine thousand, nine hundred eighty".
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