Base | Representation |
---|---|
bin | 100100001100001… |
… | …1111111000000000 |
3 | 10010122001222100010 |
4 | 1020120133320000 |
5 | 4441340202233 |
6 | 320300224520 |
7 | 42044034021 |
oct | 11030377000 |
9 | 3118058303 |
10 | 1214381568 |
11 | 573539934 |
12 | 29a83b140 |
13 | 16478b49a |
14 | b73d4c48 |
15 | 7192bb63 |
hex | 4861fe00 |
1214381568 has 40 divisors (see below), whose sum is σ = 3235192488. Its totient is φ = 404793344.
The previous prime is 1214381521. The next prime is 1214381579. The reversal of 1214381568 is 8651834121.
It is a congruent 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, 393771 + ... + 396842.
Almost surely, 21214381568 is an apocalyptic number.
It is an amenable number.
1214381568 is an abundant number, since it is smaller than the sum of its proper divisors (2020810920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1214381568 is an frugal number, since it uses more digits than its factorization.
1214381568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 790634 (or 790618 counting only the distinct ones).
The product of its digits is 46080, while the sum is 39.
The square root of 1214381568 is about 34847.9779614255. The cubic root of 1214381568 is about 1066.8869156302.
The spelling of 1214381568 in words is "one billion, two hundred fourteen million, three hundred eighty-one thousand, five hundred sixty-eight".
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