Base | Representation |
---|---|
bin | 11000111111000011… |
… | …00111101011001101 |
3 | 1021121211110002111000 |
4 | 30133201213223031 |
5 | 204432413340340 |
6 | 10055012250513 |
7 | 653256331263 |
oct | 143741475315 |
9 | 37554402430 |
10 | 13413808845 |
11 | 5763822138 |
12 | 2724310a39 |
13 | 135a0396c8 |
14 | 9136c6433 |
15 | 537941d30 |
hex | 31f867acd |
13413808845 has 16 divisors (see below), whose sum is σ = 23846771520. Its totient is φ = 7154031312.
The previous prime is 13413808823. The next prime is 13413808847. The reversal of 13413808845 is 54880831431.
It is not a de Polignac number, because 13413808845 - 25 = 13413808813 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 13413808845.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13413808847) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49680639 + ... + 49680908.
It is an arithmetic number, because the mean of its divisors is an integer number (1490423220).
Almost surely, 213413808845 is an apocalyptic number.
13413808845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13413808845 is a deficient number, since it is larger than the sum of its proper divisors (10432962675).
13413808845 is an equidigital number, since it uses as much as digits as its factorization.
13413808845 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99361561 (or 99361555 counting only the distinct ones).
The product of its (nonzero) digits is 368640, while the sum is 45.
The spelling of 13413808845 in words is "thirteen billion, four hundred thirteen million, eight hundred eight thousand, eight hundred forty-five".
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