Base | Representation |
---|---|
bin | 101011011000111101011… |
… | …110110110100010000000 |
3 | 101120001101111121021010210 |
4 | 223120331132312202000 |
5 | 342323100113120110 |
6 | 10201443014354120 |
7 | 425265160425501 |
oct | 53307536664200 |
9 | 11501344537123 |
10 | 2981738801280 |
11 | a4a603901908 |
12 | 401a6a35b940 |
13 | 18823b468885 |
14 | a4461916ba8 |
15 | 52866493520 |
hex | 2b63d7b6880 |
2981738801280 has 128 divisors (see below), whose sum is σ = 10004518468800. Its totient is φ = 753281372160.
The previous prime is 2981738801267. The next prime is 2981738801339. The reversal of 2981738801280 is 821088371892.
2981738801280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (128).
It is a Harshad number since it is a multiple of its sum of digits (57).
It is a self number, because there is not a number n which added to its sum of digits gives 2981738801280.
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, 40831651 + ... + 40904610.
Almost surely, 22981738801280 is an apocalyptic number.
2981738801280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2981738801280 is an abundant number, since it is smaller than the sum of its proper divisors (7022779667520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2981738801280 is a wasteful number, since it uses less digits than its factorization.
2981738801280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81736302 (or 81736290 counting only the distinct ones).
The product of its (nonzero) digits is 3096576, while the sum is 57.
The spelling of 2981738801280 in words is "two trillion, nine hundred eighty-one billion, seven hundred thirty-eight million, eight hundred one thousand, two hundred eighty".
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