Base | Representation |
---|---|
bin | 101010010110110… |
… | …1000011010100010 |
3 | 10200001022212221211 |
4 | 1110231220122202 |
5 | 10402314420122 |
6 | 353010140334 |
7 | 50135260435 |
oct | 12455503242 |
9 | 3601285854 |
10 | 1421248162 |
11 | 66a291864 |
12 | 337b816aa |
13 | 1985ab059 |
14 | d6a8381c |
15 | 84b90877 |
hex | 54b686a2 |
1421248162 has 4 divisors (see below), whose sum is σ = 2131872246. Its totient is φ = 710624080.
The previous prime is 1421248123. The next prime is 1421248187. The reversal of 1421248162 is 2618421241.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2618421241 = 271 ⋅9662071.
It can be written as a sum of positive squares in only one way, i.e., 1153892961 + 267355201 = 33969^2 + 16351^2 .
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355312039 + ... + 355312042.
Almost surely, 21421248162 is an apocalyptic number.
1421248162 is a deficient number, since it is larger than the sum of its proper divisors (710624084).
1421248162 is an equidigital number, since it uses as much as digits as its factorization.
1421248162 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 710624083.
The product of its digits is 6144, while the sum is 31.
The square root of 1421248162 is about 37699.4451152799. The cubic root of 1421248162 is about 1124.3200927447.
The spelling of 1421248162 in words is "one billion, four hundred twenty-one million, two hundred forty-eight thousand, one hundred sixty-two".
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