Base | Representation |
---|---|
bin | 1100011110111110111… |
… | …1010001011110100001 |
3 | 202111121011120112110111 |
4 | 3013233233101132201 |
5 | 12003221214410411 |
6 | 242310111131321 |
7 | 21331622022412 |
oct | 3075757213641 |
9 | 674534515414 |
10 | 214475544481 |
11 | 82a5a943000 |
12 | 35697513b41 |
13 | 172c02cca03 |
14 | a5487c5809 |
15 | 58a41de721 |
hex | 31efbd17a1 |
214475544481 has 32 divisors (see below), whose sum is σ = 249458291712. Its totient is φ = 184084560000.
The previous prime is 214475544457. The next prime is 214475544497. The reversal of 214475544481 is 184445574412.
It is a de Polignac number, because none of the positive numbers 2k-214475544481 is a prime.
It is a super-2 number, since 2×2144755444812 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (214475545481) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1628311 + ... + 1755091.
It is an arithmetic number, because the mean of its divisors is an integer number (7795571616).
Almost surely, 2214475544481 is an apocalyptic number.
It is an amenable number.
214475544481 is a deficient number, since it is larger than the sum of its proper divisors (34982747231).
214475544481 is a wasteful number, since it uses less digits than its factorization.
214475544481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 126886 (or 126864 counting only the distinct ones).
The product of its digits is 2867200, while the sum is 49.
It can be divided in two parts, 214475544 and 481, that added together give a square (214476025 = 146452).
The spelling of 214475544481 in words is "two hundred fourteen billion, four hundred seventy-five million, five hundred forty-four thousand, four hundred eighty-one".
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