Base | Representation |
---|---|
bin | 10110101110011000… |
… | …00111111111001001 |
3 | 1011111020212002222022 |
4 | 23113030013333021 |
5 | 144441223330343 |
6 | 5334340534225 |
7 | 611222053256 |
oct | 132714077711 |
9 | 34436762868 |
10 | 12200214473 |
11 | 51a0780787 |
12 | 24459b1375 |
13 | 11c5795625 |
14 | 83a45842d |
15 | 4b611d568 |
hex | 2d7307fc9 |
12200214473 has 4 divisors (see below), whose sum is σ = 12239193108. Its totient is φ = 12161235840.
The previous prime is 12200214449. The next prime is 12200214493. The reversal of 12200214473 is 37441200221.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37441200221 = 1201 ⋅31175021.
It can be written as a sum of positive squares in 2 ways, for example, as 1912575289 + 10287639184 = 43733^2 + 101428^2 .
It is a cyclic number.
It is not a de Polignac number, because 12200214473 - 28 = 12200214217 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12200214413) 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, 19488848 + ... + 19489473.
It is an arithmetic number, because the mean of its divisors is an integer number (3059798277).
Almost surely, 212200214473 is an apocalyptic number.
It is an amenable number.
12200214473 is a deficient number, since it is larger than the sum of its proper divisors (38978635).
12200214473 is an equidigital number, since it uses as much as digits as its factorization.
12200214473 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38978634.
The product of its (nonzero) digits is 2688, while the sum is 26.
Adding to 12200214473 its reverse (37441200221), we get a palindrome (49641414694).
The spelling of 12200214473 in words is "twelve billion, two hundred million, two hundred fourteen thousand, four hundred seventy-three".
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