Base | Representation |
---|---|
bin | 11001000010110001… |
… | …10000110000111111 |
3 | 1021201000012212020110 |
4 | 30201120300300333 |
5 | 210013412304330 |
6 | 10102045521103 |
7 | 654115651614 |
oct | 144130606077 |
9 | 37630185213 |
10 | 13445041215 |
11 | 577a414511 |
12 | 2732873193 |
13 | 13636535b8 |
14 | 9178d650b |
15 | 53a560db0 |
hex | 321630c3f |
13445041215 has 8 divisors (see below), whose sum is σ = 21512065968. Its totient is φ = 7170688640.
The previous prime is 13445041177. The next prime is 13445041223. The reversal of 13445041215 is 51214054431.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13445041215 - 212 = 13445037119 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448168026 + ... + 448168055.
It is an arithmetic number, because the mean of its divisors is an integer number (2689008246).
Almost surely, 213445041215 is an apocalyptic number.
13445041215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13445041215 is a deficient number, since it is larger than the sum of its proper divisors (8067024753).
13445041215 is an equidigital number, since it uses as much as digits as its factorization.
13445041215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 896336089.
The product of its (nonzero) digits is 9600, while the sum is 30.
Adding to 13445041215 its reverse (51214054431), we get a palindrome (64659095646).
The spelling of 13445041215 in words is "thirteen billion, four hundred forty-five million, forty-one thousand, two hundred fifteen".
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