Base | Representation |
---|---|
bin | 1101010000011011001… |
… | …0001100111111101100 |
3 | 210202212002022220220200 |
4 | 3110012302030333230 |
5 | 12212411223343122 |
6 | 252343042313500 |
7 | 22311533220222 |
oct | 3240662147754 |
9 | 722762286820 |
10 | 227747090412 |
11 | 88650327986 |
12 | 38180058890 |
13 | 18626a1907a |
14 | b047238b12 |
15 | 5dce3ce5ac |
hex | 3506c8cfec |
227747090412 has 36 divisors (see below), whose sum is σ = 575711136000. Its totient is φ = 75913441632.
The previous prime is 227747090383. The next prime is 227747090419. The reversal of 227747090412 is 214090747722.
227747090412 is a `hidden beast` number, since 22 + 77 + 470 + 90 + 4 + 1 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×2277470904122 (a number of 24 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (227747090419) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1509589 + ... + 1653587.
It is an arithmetic number, because the mean of its divisors is an integer number (15991976000).
Almost surely, 2227747090412 is an apocalyptic number.
It is an amenable number.
227747090412 is an abundant number, since it is smaller than the sum of its proper divisors (347964045588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
227747090412 is a wasteful number, since it uses less digits than its factorization.
227747090412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 187942 (or 187937 counting only the distinct ones).
The product of its (nonzero) digits is 395136, while the sum is 45.
The spelling of 227747090412 in words is "two hundred twenty-seven billion, seven hundred forty-seven million, ninety thousand, four hundred twelve".
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