Base | Representation |
---|---|
bin | 11001001011101101… |
… | …11100010010101011 |
3 | 1021220020101021212122 |
4 | 30211312330102223 |
5 | 210142113432421 |
6 | 10113325501455 |
7 | 656016425150 |
oct | 144566742253 |
9 | 37806337778 |
10 | 13520061611 |
11 | 58087a4441 |
12 | 2753a1188b |
13 | 137605c274 |
14 | 923864227 |
15 | 541e2e2ab |
hex | 325dbc4ab |
13520061611 has 16 divisors (see below), whose sum is σ = 15510755328. Its totient is φ = 11544271200.
The previous prime is 13520061601. The next prime is 13520061671. The reversal of 13520061611 is 11616002531.
It is not a de Polignac number, because 13520061611 - 26 = 13520061547 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13520061601) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2139146 + ... + 2145456.
It is an arithmetic number, because the mean of its divisors is an integer number (969422208).
Almost surely, 213520061611 is an apocalyptic number.
13520061611 is a deficient number, since it is larger than the sum of its proper divisors (1990693717).
13520061611 is an equidigital number, since it uses as much as digits as its factorization.
13520061611 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7442.
The product of its (nonzero) digits is 1080, while the sum is 26.
The spelling of 13520061611 in words is "thirteen billion, five hundred twenty million, sixty-one thousand, six hundred eleven".
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