Base | Representation |
---|---|
bin | 11000100111011001… |
… | …10010100100010011 |
3 | 1021010000010102001100 |
4 | 30103230302210103 |
5 | 204031121113301 |
6 | 10023204035443 |
7 | 645330064305 |
oct | 142354624423 |
9 | 37100112040 |
10 | 13215410451 |
11 | 5671833521 |
12 | 2689992b83 |
13 | 1327bc33c9 |
14 | 8d51dd975 |
15 | 525302286 |
hex | 313b32913 |
13215410451 has 24 divisors (see below), whose sum is σ = 19519503120. Its totient is φ = 8612750016.
The previous prime is 13215410443. The next prime is 13215410459. The reversal of 13215410451 is 15401451231.
It is an interprime number because it is at equal distance from previous prime (13215410443) and next prime (13215410459).
It is not a de Polignac number, because 13215410451 - 23 = 13215410443 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13215410459) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82120 + ... + 182138.
It is an arithmetic number, because the mean of its divisors is an integer number (813312630).
Almost surely, 213215410451 is an apocalyptic number.
13215410451 is a deficient number, since it is larger than the sum of its proper divisors (6304092669).
13215410451 is a wasteful number, since it uses less digits than its factorization.
13215410451 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100355 (or 100352 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 27.
Adding to 13215410451 its reverse (15401451231), we get a palindrome (28616861682).
The spelling of 13215410451 in words is "thirteen billion, two hundred fifteen million, four hundred ten thousand, four hundred fifty-one".
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