Base | Representation |
---|---|
bin | 10001111000001111001… |
… | …000100010001000101100 |
3 | 11100110021021000110002102 |
4 | 101320033020202020230 |
5 | 130112200310314433 |
6 | 2340230121314232 |
7 | 154523133203240 |
oct | 21701710421054 |
9 | 4313237013072 |
10 | 1228614541868 |
11 | 4340639739aa |
12 | 17a144635978 |
13 | 8bb1c92329c |
14 | 43672968420 |
15 | 21e5bd934e8 |
hex | 11e0f22222c |
1228614541868 has 24 divisors (see below), whose sum is σ = 2457343674912. Its totient is φ = 526524534144.
The previous prime is 1228614541837. The next prime is 1228614541937. The reversal of 1228614541868 is 8681454168221.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405455 + ... + 1619142.
It is an arithmetic number, because the mean of its divisors is an integer number (102389319788).
Almost surely, 21228614541868 is an apocalyptic number.
It is an amenable number.
1228614541868 is an abundant number, since it is smaller than the sum of its proper divisors (1228729133044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1228614541868 is a wasteful number, since it uses less digits than its factorization.
1228614541868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2046281 (or 2046279 counting only the distinct ones).
The product of its digits is 5898240, while the sum is 56.
The spelling of 1228614541868 in words is "one trillion, two hundred twenty-eight billion, six hundred fourteen million, five hundred forty-one thousand, eight hundred sixty-eight".
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