Base | Representation |
---|---|
bin | 10001101010000101001… |
… | …011000000101010100001 |
3 | 11022000000222110102101020 |
4 | 101222011023000222201 |
5 | 124340033222033010 |
6 | 2325233555200053 |
7 | 153444361414623 |
oct | 21520513005241 |
9 | 4260028412336 |
10 | 1213415033505 |
11 | 428674175344 |
12 | 1772022a6029 |
13 | 8a56996295c |
14 | 42a3004cc13 |
15 | 2186c7c0470 |
hex | 11a852c0aa1 |
1213415033505 has 16 divisors (see below), whose sum is σ = 1964855188800. Its totient is φ = 639357639488.
The previous prime is 1213415033477. The next prime is 1213415033549. The reversal of 1213415033505 is 5053305143121.
It is a cyclic number.
It is not a de Polignac number, because 1213415033505 - 29 = 1213415032993 is a prime.
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, 487314030 + ... + 487316519.
It is an arithmetic number, because the mean of its divisors is an integer number (122803449300).
Almost surely, 21213415033505 is an apocalyptic number.
1213415033505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1213415033505 is a deficient number, since it is larger than the sum of its proper divisors (751440155295).
1213415033505 is an equidigital number, since it uses as much as digits as its factorization.
1213415033505 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 974630640.
The product of its (nonzero) digits is 27000, while the sum is 33.
The spelling of 1213415033505 in words is "one trillion, two hundred thirteen billion, four hundred fifteen million, thirty-three thousand, five hundred five".
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