Base | Representation |
---|---|
bin | 111011111011111… |
… | …0001011001110100 |
3 | 12012011020220212210 |
4 | 1313313301121310 |
5 | 13104320441410 |
6 | 531321013420 |
7 | 100560100326 |
oct | 16767613164 |
9 | 5164226783 |
10 | 2011108980 |
11 | 942244a41 |
12 | 481624270 |
13 | 26086691a |
14 | 15114b616 |
15 | bb859220 |
hex | 77df1674 |
2011108980 has 48 divisors (see below), whose sum is σ = 5633074944. Its totient is φ = 536108160.
The previous prime is 2011108963. The next prime is 2011109041. The reversal of 2011108980 is 898011102.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293190 + ... + 299970.
It is an arithmetic number, because the mean of its divisors is an integer number (117355728).
Almost surely, 22011108980 is an apocalyptic number.
2011108980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2011108980 is an abundant number, since it is smaller than the sum of its proper divisors (3621965964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2011108980 is a wasteful number, since it uses less digits than its factorization.
2011108980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11736 (or 11734 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 30.
The square root of 2011108980 is about 44845.3897296032. The cubic root of 2011108980 is about 1262.2494837381.
The spelling of 2011108980 in words is "two billion, eleven million, one hundred eight thousand, nine hundred eighty".
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