Base | Representation |
---|---|
bin | 11000111011001111… |
… | …00001000110110011 |
3 | 1021112121012220002222 |
4 | 30131213201012303 |
5 | 204401220102441 |
6 | 10051510231255 |
7 | 652420266152 |
oct | 143547410663 |
9 | 37477186088 |
10 | 13381800371 |
11 | 574774a755 |
12 | 271565552b |
13 | 1353510494 |
14 | 90d353599 |
15 | 534c1cd4b |
hex | 31d9e11b3 |
13381800371 has 4 divisors (see below), whose sum is σ = 13385566032. Its totient is φ = 13378034712.
The previous prime is 13381800353. The next prime is 13381800391. The reversal of 13381800371 is 17300818331.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13381800371 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13381800391) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1877495 + ... + 1884608.
It is an arithmetic number, because the mean of its divisors is an integer number (3346391508).
Almost surely, 213381800371 is an apocalyptic number.
13381800371 is a deficient number, since it is larger than the sum of its proper divisors (3765661).
13381800371 is an equidigital number, since it uses as much as digits as its factorization.
13381800371 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3765660.
The product of its (nonzero) digits is 12096, while the sum is 35.
The spelling of 13381800371 in words is "thirteen billion, three hundred eighty-one million, eight hundred thousand, three hundred seventy-one".
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