Base | Representation |
---|---|
bin | 101010010111001… |
… | …0001001100101100 |
3 | 10200001122101002212 |
4 | 1110232101030230 |
5 | 10402340241322 |
6 | 353013505552 |
7 | 50136554450 |
oct | 12456211454 |
9 | 3601571085 |
10 | 1421415212 |
11 | 66a396318 |
12 | 3380422b8 |
13 | 1986390b9 |
14 | d6ac8660 |
15 | 84bc50e2 |
hex | 54b9132c |
1421415212 has 12 divisors (see below), whose sum is σ = 2842830480. Its totient is φ = 609177936.
The previous prime is 1421415187. The next prime is 1421415223. The reversal of 1421415212 is 2125141241.
1421415212 is an admirable number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25382387 + ... + 25382442.
It is an arithmetic number, because the mean of its divisors is an integer number (236902540).
Almost surely, 21421415212 is an apocalyptic number.
It is an amenable number.
1421415212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1421415212 is a wasteful number, since it uses less digits than its factorization.
1421415212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50764840 (or 50764838 counting only the distinct ones).
The product of its digits is 640, while the sum is 23.
The square root of 1421415212 is about 37701.6606000319. The cubic root of 1421415212 is about 1124.3641409549.
Adding to 1421415212 its reverse (2125141241), we get a palindrome (3546556453).
The spelling of 1421415212 in words is "one billion, four hundred twenty-one million, four hundred fifteen thousand, two hundred twelve".
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