Base | Representation |
---|---|
bin | 101010010111001… |
… | …0011000111001101 |
3 | 10200001122202212021 |
4 | 1110232103013031 |
5 | 10402341014203 |
6 | 353014010141 |
7 | 50136616351 |
oct | 12456230715 |
9 | 3601582767 |
10 | 1421423053 |
11 | 66a3a11a6 |
12 | 338046951 |
13 | 19863c83b |
14 | d6acb461 |
15 | 84bc75bd |
hex | 54b931cd |
1421423053 has 8 divisors (see below), whose sum is σ = 1447070400. Its totient is φ = 1395932160.
The previous prime is 1421423051. The next prime is 1421423071. The reversal of 1421423053 is 3503241241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1421423053 - 21 = 1421423051 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1421423051) 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, 20703 + ... + 57196.
It is an arithmetic number, because the mean of its divisors is an integer number (180883800).
Almost surely, 21421423053 is an apocalyptic number.
It is an amenable number.
1421423053 is a deficient number, since it is larger than the sum of its proper divisors (25647347).
1421423053 is an equidigital number, since it uses as much as digits as its factorization.
1421423053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78227.
The product of its (nonzero) digits is 2880, while the sum is 25.
The square root of 1421423053 is about 37701.7645873506. The cubic root of 1421423053 is about 1124.3662084069.
Adding to 1421423053 its reverse (3503241241), we get a palindrome (4924664294).
The spelling of 1421423053 in words is "one billion, four hundred twenty-one million, four hundred twenty-three thousand, fifty-three".
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