Base | Representation |
---|---|
bin | 11001000011011010… |
… | …10010000010110001 |
3 | 1021201101100011002120 |
4 | 30201231102002301 |
5 | 210021301423101 |
6 | 10102401104453 |
7 | 654212454435 |
oct | 144155220261 |
9 | 37641304076 |
10 | 13450420401 |
11 | 5782458a20 |
12 | 2734628129 |
13 | 13647b7b52 |
14 | 9184d69c5 |
15 | 53ac74b36 |
hex | 321b520b1 |
13450420401 has 32 divisors (see below), whose sum is σ = 20800115712. Its totient is φ = 7650202560.
The previous prime is 13450420367. The next prime is 13450420433. The reversal of 13450420401 is 10402405431.
It is not a de Polignac number, because 13450420401 - 29 = 13450419889 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (13450420441) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126955 + ... + 207408.
It is an arithmetic number, because the mean of its divisors is an integer number (650003616).
Almost surely, 213450420401 is an apocalyptic number.
13450420401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
13450420401 is a deficient number, since it is larger than the sum of its proper divisors (7349695311).
13450420401 is a wasteful number, since it uses less digits than its factorization.
13450420401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 334453.
The product of its (nonzero) digits is 1920, while the sum is 24.
Adding to 13450420401 its reverse (10402405431), we get a palindrome (23852825832).
The spelling of 13450420401 in words is "thirteen billion, four hundred fifty million, four hundred twenty thousand, four hundred one".
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