Base | Representation |
---|---|
bin | 11000111110000000… |
… | …01010111001110001 |
3 | 1021121012221121012220 |
4 | 30133000022321301 |
5 | 204423142241431 |
6 | 10054100311253 |
7 | 653121650655 |
oct | 143700127161 |
9 | 37535847186 |
10 | 13405040241 |
11 | 575988315a |
12 | 27213a2529 |
13 | 1358289498 |
14 | 912482a65 |
15 | 536cadb96 |
hex | 31f00ae71 |
13405040241 has 16 divisors (see below), whose sum is σ = 18364694208. Its totient is φ = 8692358400.
The previous prime is 13405040221. The next prime is 13405040249. The reversal of 13405040241 is 14204050431.
It is not a de Polignac number, because 13405040241 - 29 = 13405039729 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13405040249) 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, 123916 + ... + 205341.
It is an arithmetic number, because the mean of its divisors is an integer number (1147793388).
Almost surely, 213405040241 is an apocalyptic number.
It is an amenable number.
13405040241 is a deficient number, since it is larger than the sum of its proper divisors (4959653967).
13405040241 is a wasteful number, since it uses less digits than its factorization.
13405040241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 329632.
The product of its (nonzero) digits is 1920, while the sum is 24.
Adding to 13405040241 its reverse (14204050431), we get a palindrome (27609090672).
The spelling of 13405040241 in words is "thirteen billion, four hundred five million, forty thousand, two hundred forty-one".
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