Base | Representation |
---|---|
bin | 101010010100011… |
… | …1000101100011011 |
3 | 10122221222200110022 |
4 | 1110220320230123 |
5 | 10402010112443 |
6 | 352523341055 |
7 | 50121556466 |
oct | 12450705433 |
9 | 3587880408 |
10 | 1420004123 |
11 | 66961212a |
12 | 33768178b |
13 | 198263a35 |
14 | d683c2dd |
15 | 849e6e68 |
hex | 54a38b1b |
1420004123 has 8 divisors (see below), whose sum is σ = 1431418800. Its totient is φ = 1408606848.
The previous prime is 1420004081. The next prime is 1420004141. The reversal of 1420004123 is 3214000241.
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 1420004123 - 26 = 1420004059 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1420004023) 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, 195623 + ... + 202751.
It is an arithmetic number, because the mean of its divisors is an integer number (178927350).
Almost surely, 21420004123 is an apocalyptic number.
1420004123 is a deficient number, since it is larger than the sum of its proper divisors (11414677).
1420004123 is a wasteful number, since it uses less digits than its factorization.
1420004123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8701.
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 1420004123 is about 37682.9420693236. The cubic root of 1420004123 is about 1123.9919524569.
Adding to 1420004123 its reverse (3214000241), we get a palindrome (4634004364).
The spelling of 1420004123 in words is "one billion, four hundred twenty million, four thousand, one hundred twenty-three".
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