Base | Representation |
---|---|
bin | 1011110101011101010000… |
… | …0001111111001010001101 |
3 | 1201002000212021012010012011 |
4 | 2331113110001333022031 |
5 | 3201201122341331341 |
6 | 43402032403141221 |
7 | 2512105412261164 |
oct | 275272401771215 |
9 | 51060767163164 |
10 | 13013013230221 |
11 | 41678737a1214 |
12 | 1562013974811 |
13 | 735177a10044 |
14 | 32db944363db |
15 | 178771d4db81 |
hex | bd5d407f28d |
13013013230221 has 16 divisors (see below), whose sum is σ = 13326032188800. Its totient is φ = 12703520890368.
The previous prime is 13013013230171. The next prime is 13013013230227. The reversal of 13013013230221 is 12203231031031.
It is a cyclic number.
It is not a de Polignac number, because 13013013230221 - 27 = 13013013230093 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13013013230192 and 13013013230201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13013013230227) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54080745 + ... + 54320833.
It is an arithmetic number, because the mean of its divisors is an integer number (832877011800).
Almost surely, 213013013230221 is an apocalyptic number.
It is an amenable number.
13013013230221 is a deficient number, since it is larger than the sum of its proper divisors (313018958579).
13013013230221 is a wasteful number, since it uses less digits than its factorization.
13013013230221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 247428.
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 13013013230221 its reverse (12203231031031), we get a palindrome (25216244261252).
The spelling of 13013013230221 in words is "thirteen trillion, thirteen billion, thirteen million, two hundred thirty thousand, two hundred twenty-one".
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