Base | Representation |
---|---|
bin | 11001101110011000… |
… | …10010101111010001 |
3 | 1022122111120221200222 |
4 | 30313030102233101 |
5 | 211241040334444 |
6 | 10202234522425 |
7 | 666150316520 |
oct | 146714225721 |
9 | 38574527628 |
10 | 13810871249 |
11 | 5947970a8a |
12 | 2815296415 |
13 | 13c138cb86 |
14 | 9503244b7 |
15 | 55c724eee |
hex | 337312bd1 |
13810871249 has 8 divisors (see below), whose sum is σ = 16470107520. Its totient is φ = 11323198656.
The previous prime is 13810871171. The next prime is 13810871251. The reversal of 13810871249 is 94217801831.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13810871249 - 220 = 13809822673 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13810871299) 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, 42890744 + ... + 42891065.
It is an arithmetic number, because the mean of its divisors is an integer number (2058763440).
Almost surely, 213810871249 is an apocalyptic number.
It is an amenable number.
13810871249 is a deficient number, since it is larger than the sum of its proper divisors (2659236271).
13810871249 is an equidigital number, since it uses as much as digits as its factorization.
13810871249 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85781839.
The product of its (nonzero) digits is 96768, while the sum is 44.
The spelling of 13810871249 in words is "thirteen billion, eight hundred ten million, eight hundred seventy-one thousand, two hundred forty-nine".
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