Base | Representation |
---|---|
bin | 11100011001010110… |
… | …11101101110000001 |
3 | 1110100110100121222101 |
4 | 32030223131232001 |
5 | 222210221343144 |
6 | 11000431310401 |
7 | 1046534156215 |
oct | 161453355601 |
9 | 43313317871 |
10 | 15245106049 |
11 | 65135128a8 |
12 | 2b5567b401 |
13 | 158c567014 |
14 | a489c8945 |
15 | 5e35cd6d4 |
hex | 38caddb81 |
15245106049 has 2 divisors, whose sum is σ = 15245106050. Its totient is φ = 15245106048.
The previous prime is 15245106047. The next prime is 15245106113. The reversal of 15245106049 is 94060154251.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 9856518400 + 5388587649 = 99280^2 + 73407^2 .
It is a cyclic number.
It is not a de Polignac number, because 15245106049 - 21 = 15245106047 is a prime.
Together with 15245106047, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 15245105999 and 15245106017.
It is not a weakly prime, because it can be changed into another prime (15245106043) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7622553024 + 7622553025.
It is an arithmetic number, because the mean of its divisors is an integer number (7622553025).
Almost surely, 215245106049 is an apocalyptic number.
It is an amenable number.
15245106049 is a deficient number, since it is larger than the sum of its proper divisors (1).
15245106049 is an equidigital number, since it uses as much as digits as its factorization.
15245106049 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 43200, while the sum is 37.
The spelling of 15245106049 in words is "fifteen billion, two hundred forty-five million, one hundred six thousand, forty-nine".
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