Base | Representation |
---|---|
bin | 101011011111110110101… |
… | …000000111111011111000 |
3 | 101120202111022020022022202 |
4 | 223133312220013323320 |
5 | 342433224313442440 |
6 | 10205105243405332 |
7 | 425646450434153 |
oct | 53376650077370 |
9 | 11522438208282 |
10 | 2989139984120 |
11 | a5276165a044 |
12 | 403394b23848 |
13 | 188b4a9085c4 |
14 | a4964864c9a |
15 | 52b4b106615 |
hex | 2b7f6a07ef8 |
2989139984120 has 32 divisors (see below), whose sum is σ = 6725636079120. Its totient is φ = 1195643351040.
The previous prime is 2989139984063. The next prime is 2989139984177. The reversal of 2989139984120 is 214899319892.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (2989139984063) and next prime (2989139984177).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4053560 + ... + 4733880.
Almost surely, 22989139984120 is an apocalyptic number.
2989139984120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2989139984120 is an abundant number, since it is smaller than the sum of its proper divisors (3736496095000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2989139984120 is a wasteful number, since it uses less digits than its factorization.
2989139984120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 790175 (or 790171 counting only the distinct ones).
The product of its (nonzero) digits is 20155392, while the sum is 65.
The spelling of 2989139984120 in words is "two trillion, nine hundred eighty-nine billion, one hundred thirty-nine million, nine hundred eighty-four thousand, one hundred twenty".
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