Base | Representation |
---|---|
bin | 1101110101000100010100… |
… | …1101101001110110000101 |
3 | 1222211121122200000022001112 |
4 | 3131101011031221312011 |
5 | 3443111021412410023 |
6 | 52201123402534405 |
7 | 3126356430453206 |
oct | 335210515516605 |
9 | 58747580008045 |
10 | 15205345435013 |
11 | 4932607106168 |
12 | 1856a93507405 |
13 | 863b1cb15946 |
14 | 3a7d2a8975ad |
15 | 1b57d5026478 |
hex | dd445369d85 |
15205345435013 has 8 divisors (see below), whose sum is σ = 15529137375360. Its totient is φ = 14881564909440.
The previous prime is 15205345434967. The next prime is 15205345435019. The reversal of 15205345435013 is 31053454350251.
15205345435013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 15205345435013 - 218 = 15205345172869 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15205345435019) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133868 + ... + 5516213.
It is an arithmetic number, because the mean of its divisors is an integer number (1941142171920).
Almost surely, 215205345435013 is an apocalyptic number.
It is an amenable number.
15205345435013 is a deficient number, since it is larger than the sum of its proper divisors (323791940347).
15205345435013 is an equidigital number, since it uses as much as digits as its factorization.
15205345435013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5707387.
The product of its (nonzero) digits is 540000, while the sum is 41.
Adding to 15205345435013 its reverse (31053454350251), we get a palindrome (46258799785264).
The spelling of 15205345435013 in words is "fifteen trillion, two hundred five billion, three hundred forty-five million, four hundred thirty-five thousand, thirteen".
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