Base | Representation |
---|---|
bin | 11010111101011110… |
… | …11010000110101001 |
3 | 1101100202010002102001 |
4 | 31132233122012221 |
5 | 214120420403011 |
6 | 10352140211001 |
7 | 1021455160402 |
oct | 153657320651 |
9 | 41322102361 |
10 | 14474387881 |
11 | 6158461938 |
12 | 297b539a61 |
13 | 1498997275 |
14 | 9b44c29a9 |
15 | 59aadc7c1 |
hex | 35ebda1a9 |
14474387881 has 4 divisors (see below), whose sum is σ = 14484662100. Its totient is φ = 14464113664.
The previous prime is 14474387833. The next prime is 14474387987. The reversal of 14474387881 is 18878347441.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 7928121600 + 6546266281 = 89040^2 + 80909^2 .
It is a cyclic number.
It is not a de Polignac number, because 14474387881 - 229 = 13937516969 is a prime.
It is a super-2 number, since 2×144743878812 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (14474387831) 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, 5134996 + ... + 5137813.
It is an arithmetic number, because the mean of its divisors is an integer number (3621165525).
Almost surely, 214474387881 is an apocalyptic number.
It is an amenable number.
14474387881 is a deficient number, since it is larger than the sum of its proper divisors (10274219).
14474387881 is a wasteful number, since it uses less digits than its factorization.
14474387881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10274218.
The product of its digits is 4816896, while the sum is 55.
The spelling of 14474387881 in words is "fourteen billion, four hundred seventy-four million, three hundred eighty-seven thousand, eight hundred eighty-one".
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