Base | Representation |
---|---|
bin | 11001001001000000… |
… | …11000010001101001 |
3 | 1021211122200102102200 |
4 | 30210200120101221 |
5 | 210120311312310 |
6 | 10111155250413 |
7 | 655322515041 |
oct | 144440302151 |
9 | 37748612380 |
10 | 13497369705 |
11 | 57a6a056a6 |
12 | 27482a9a09 |
13 | 13714457c1 |
14 | 920838721 |
15 | 53ee4a9c0 |
hex | 324818469 |
13497369705 has 12 divisors (see below), whose sum is σ = 23395440900. Its totient is φ = 7198597152.
The previous prime is 13497369679. The next prime is 13497369707. The reversal of 13497369705 is 50796379431.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 8497889856 + 4999479849 = 92184^2 + 70707^2 .
It is not a de Polignac number, because 13497369705 - 25 = 13497369673 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (13497369707) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149970730 + ... + 149970819.
It is an arithmetic number, because the mean of its divisors is an integer number (1949620075).
Almost surely, 213497369705 is an apocalyptic number.
13497369705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13497369705 is a deficient number, since it is larger than the sum of its proper divisors (9898071195).
13497369705 is a wasteful number, since it uses less digits than its factorization.
13497369705 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 299941560 (or 299941557 counting only the distinct ones).
The product of its (nonzero) digits is 4286520, while the sum is 54.
The spelling of 13497369705 in words is "thirteen billion, four hundred ninety-seven million, three hundred sixty-nine thousand, seven hundred five".
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