Base | Representation |
---|---|
bin | 111110111111000… |
… | …0011101110111100 |
3 | 12110021202212111222 |
4 | 1331332003232330 |
5 | 13312013421340 |
6 | 545413532512 |
7 | 103241526662 |
oct | 17576035674 |
9 | 5407685458 |
10 | 2113420220 |
11 | 994a7498a |
12 | 4ab944138 |
13 | 278b09412 |
14 | 160980c32 |
15 | c58188b5 |
hex | 7df83bbc |
2113420220 has 12 divisors (see below), whose sum is σ = 4438182504. Its totient is φ = 845368080.
The previous prime is 2113420193. The next prime is 2113420271. The reversal of 2113420220 is 220243112.
It is a congruent number.
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, 52835486 + ... + 52835525.
It is an arithmetic number, because the mean of its divisors is an integer number (369848542).
Almost surely, 22113420220 is an apocalyptic number.
2113420220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2113420220 is an abundant number, since it is smaller than the sum of its proper divisors (2324762284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2113420220 is a wasteful number, since it uses less digits than its factorization.
2113420220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105671020 (or 105671018 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 2113420220 is about 45971.9503610626. The cubic root of 2113420220 is about 1283.3012562212.
Adding to 2113420220 its reverse (220243112), we get a palindrome (2333663332).
The spelling of 2113420220 in words is "two billion, one hundred thirteen million, four hundred twenty thousand, two hundred twenty".
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