Base | Representation |
---|---|
bin | 1011110010011110010… |
… | …10101010001101001001 |
3 | 1102201111222200002020221 |
4 | 11321033022222031021 |
5 | 23114023102321301 |
6 | 510025120550041 |
7 | 41156433466534 |
oct | 5711712521511 |
9 | 1381458602227 |
10 | 405055120201 |
11 | 146868067a96 |
12 | 66604182321 |
13 | 2c272a28a24 |
14 | 158676d1a1b |
15 | a80a5dbda1 |
hex | 5e4f2aa349 |
405055120201 has 4 divisors (see below), whose sum is σ = 406123867600. Its totient is φ = 403986372804.
The previous prime is 405055120199. The next prime is 405055120213. The reversal of 405055120201 is 102021550504.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 405055120201 - 21 = 405055120199 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (405055120291) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534373131 + ... + 534373888.
It is an arithmetic number, because the mean of its divisors is an integer number (101530966900).
Almost surely, 2405055120201 is an apocalyptic number.
It is an amenable number.
405055120201 is a deficient number, since it is larger than the sum of its proper divisors (1068747399).
405055120201 is a wasteful number, since it uses less digits than its factorization.
405055120201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1068747398.
The product of its (nonzero) digits is 2000, while the sum is 25.
Adding to 405055120201 its reverse (102021550504), we get a palindrome (507076670705).
The spelling of 405055120201 in words is "four hundred five billion, fifty-five million, one hundred twenty thousand, two hundred one".
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