Base | Representation |
---|---|
bin | 10010101101001011101… |
… | …000001101000111110011 |
3 | 11112220000012101210111112 |
4 | 102231023220031013303 |
5 | 132030112244132321 |
6 | 2422311203503535 |
7 | 161604666106013 |
oct | 22551350150763 |
9 | 4486005353445 |
10 | 1285464052211 |
11 | 456186a444a9 |
12 | 18916b387bab |
13 | 942ac7581c1 |
14 | 46306c3dc43 |
15 | 23687c27a5b |
hex | 12b4ba0d1f3 |
1285464052211 has 6 divisors (see below), whose sum is σ = 1365527557500. Its totient is φ = 1209848519456.
The previous prime is 1285464052189. The next prime is 1285464052253. The reversal of 1285464052211 is 1122504645821.
It is a de Polignac number, because none of the positive numbers 2k-1285464052211 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1285464054211) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2223985961 + ... + 2223986538.
It is an arithmetic number, because the mean of its divisors is an integer number (227587926250).
Almost surely, 21285464052211 is an apocalyptic number.
1285464052211 is a deficient number, since it is larger than the sum of its proper divisors (80063505289).
1285464052211 is an equidigital number, since it uses as much as digits as its factorization.
1285464052211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4447972533 (or 4447972516 counting only the distinct ones).
The product of its (nonzero) digits is 153600, while the sum is 41.
The spelling of 1285464052211 in words is "one trillion, two hundred eighty-five billion, four hundred sixty-four million, fifty-two thousand, two hundred eleven".
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