Base | Representation |
---|---|
bin | 101010011010010… |
… | …1110111110000101 |
3 | 10200011211110221120 |
4 | 1110310232332011 |
5 | 10403304010041 |
6 | 353114104153 |
7 | 50160143544 |
oct | 12464567605 |
9 | 3604743846 |
10 | 1423110021 |
11 | 670343693 |
12 | 33871b059 |
13 | 198ab0648 |
14 | d700a15b |
15 | 84e0c366 |
hex | 54d2ef85 |
1423110021 has 8 divisors (see below), whose sum is σ = 1948763424. Its totient is φ = 923098320.
The previous prime is 1423109977. The next prime is 1423110023. The reversal of 1423110021 is 1200113241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1423110021 - 27 = 1423109893 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1423110023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6410295 + ... + 6410516.
It is an arithmetic number, because the mean of its divisors is an integer number (243595428).
Almost surely, 21423110021 is an apocalyptic number.
It is an amenable number.
1423110021 is a deficient number, since it is larger than the sum of its proper divisors (525653403).
1423110021 is a wasteful number, since it uses less digits than its factorization.
1423110021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12820851.
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 1423110021 is about 37724.1304869973. The cubic root of 1423110021 is about 1124.8108379237.
Adding to 1423110021 its reverse (1200113241), we get a palindrome (2623223262).
The spelling of 1423110021 in words is "one billion, four hundred twenty-three million, one hundred ten thousand, twenty-one".
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