Base | Representation |
---|---|
bin | 100100001100001… |
… | …1001010101111100 |
3 | 10010122000121122011 |
4 | 1020120121111330 |
5 | 4441333323222 |
6 | 320255501004 |
7 | 42043563016 |
oct | 11030312574 |
9 | 3118017564 |
10 | 1214354812 |
11 | 573520820 |
12 | 29a827764 |
13 | 16477c258 |
14 | b73c91b6 |
15 | 71923c77 |
hex | 4861957c |
1214354812 has 48 divisors (see below), whose sum is σ = 2464626528. Its totient is φ = 517406720.
The previous prime is 1214354807. The next prime is 1214354831. The reversal of 1214354812 is 2184534121.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189078 + ... + 195394.
It is an arithmetic number, because the mean of its divisors is an integer number (51346386).
Almost surely, 21214354812 is an apocalyptic number.
It is an amenable number.
1214354812 is an abundant number, since it is smaller than the sum of its proper divisors (1250271716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1214354812 is a wasteful number, since it uses less digits than its factorization.
1214354812 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6606 (or 6604 counting only the distinct ones).
The product of its digits is 7680, while the sum is 31.
The square root of 1214354812 is about 34847.5940632922. The cubic root of 1214354812 is about 1066.8790801369.
Adding to 1214354812 its reverse (2184534121), we get a palindrome (3398888933).
The spelling of 1214354812 in words is "one billion, two hundred fourteen million, three hundred fifty-four thousand, eight hundred twelve".
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