Base | Representation |
---|---|
bin | 11001000011111101… |
… | …10101010101110110 |
3 | 1021201200222220112001 |
4 | 30201332311111312 |
5 | 210023441141210 |
6 | 10103043445514 |
7 | 654266536504 |
oct | 144176652566 |
9 | 37650886461 |
10 | 13455021430 |
11 | 5785010824 |
12 | 273608689a |
13 | 1365739156 |
14 | 918d73674 |
15 | 53b38303a |
hex | 321fb5576 |
13455021430 has 32 divisors (see below), whose sum is σ = 24314320800. Its totient is φ = 5360870400.
The previous prime is 13455021421. The next prime is 13455021431. The reversal of 13455021430 is 3412055431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13455021431) 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, 5062662 + ... + 5065318.
It is an arithmetic number, because the mean of its divisors is an integer number (759822525).
Almost surely, 213455021430 is an apocalyptic number.
13455021430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13455021430 is a deficient number, since it is larger than the sum of its proper divisors (10859299370).
13455021430 is a wasteful number, since it uses less digits than its factorization.
13455021430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4464.
The product of its (nonzero) digits is 7200, while the sum is 28.
Adding to 13455021430 its reverse (3412055431), we get a palindrome (16867076861).
The spelling of 13455021430 in words is "thirteen billion, four hundred fifty-five million, twenty-one thousand, four hundred thirty".
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