Base | Representation |
---|---|
bin | 101010010110101… |
… | …1111000110011110 |
3 | 10200001020221121221 |
4 | 1110231133012132 |
5 | 10402312210024 |
6 | 353005243554 |
7 | 50135041300 |
oct | 12455370636 |
9 | 3601227557 |
10 | 1421210014 |
11 | 66a266134 |
12 | 337b635ba |
13 | 198596893 |
14 | d6a73970 |
15 | 84b843e4 |
hex | 54b5f19e |
1421210014 has 24 divisors (see below), whose sum is σ = 2481225048. Its totient is φ = 608756400.
The previous prime is 1421210003. The next prime is 1421210023. The reversal of 1421210014 is 4100121241.
It is a happy number.
It is a super-4 number, since 4×14212100144 (a number of 38 digits) contains 4444 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1421210014.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 276064 + ... + 281164.
It is an arithmetic number, because the mean of its divisors is an integer number (103384377).
Almost surely, 21421210014 is an apocalyptic number.
1421210014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
1421210014 is a deficient number, since it is larger than the sum of its proper divisors (1060015034).
1421210014 is a wasteful number, since it uses less digits than its factorization.
1421210014 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7960 (or 7953 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
The square root of 1421210014 is about 37698.9391627934. The cubic root of 1421210014 is about 1124.3100332895.
Adding to 1421210014 its reverse (4100121241), we get a palindrome (5521331255).
The spelling of 1421210014 in words is "one billion, four hundred twenty-one million, two hundred ten thousand, fourteen".
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