Base | Representation |
---|---|
bin | 10101100011011110011… |
… | …110001110011110101101 |
3 | 12020121020110101221020021 |
4 | 111203132132032132231 |
5 | 143232000002343110 |
6 | 3052242054322141 |
7 | 212004355411252 |
oct | 25433636163655 |
9 | 5217213357207 |
10 | 1481201215405 |
11 | 5211a052027a |
12 | 1bb097359351 |
13 | a98a486a422 |
14 | 51994b0d429 |
15 | 287e1d092da |
hex | 158de78e7ad |
1481201215405 has 16 divisors (see below), whose sum is σ = 1783420277184. Its totient is φ = 1180981002240.
The previous prime is 1481201215381. The next prime is 1481201215411. The reversal of 1481201215405 is 5045121021841.
It is not a de Polignac number, because 1481201215405 - 221 = 1481199118253 is a prime.
It is a Duffinian number.
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, 1640365 + ... + 2377645.
It is an arithmetic number, because the mean of its divisors is an integer number (111463767324).
Almost surely, 21481201215405 is an apocalyptic number.
It is an amenable number.
1481201215405 is a deficient number, since it is larger than the sum of its proper divisors (302219061779).
1481201215405 is an equidigital number, since it uses as much as digits as its factorization.
1481201215405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 738636.
The product of its (nonzero) digits is 12800, while the sum is 34.
The spelling of 1481201215405 in words is "one trillion, four hundred eighty-one billion, two hundred one million, two hundred fifteen thousand, four hundred five".
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