Base | Representation |
---|---|
bin | 11110101111001001001… |
… | …110110110001001000010 |
3 | 21110220222012110012111110 |
4 | 132233021032312021002 |
5 | 234101243443221110 |
6 | 4254200020424150 |
7 | 305413260505644 |
oct | 36571116661102 |
9 | 7426865405443 |
10 | 2112205054530 |
11 | 74486576300a |
12 | 2a1439248056 |
13 | 12424584246c |
14 | 74334868894 |
15 | 39e2398ea20 |
hex | 1ebc93b6242 |
2112205054530 has 64 divisors (see below), whose sum is σ = 5155661767680. Its totient is φ = 553659720384.
The previous prime is 2112205054529. The next prime is 2112205054541. The reversal of 2112205054530 is 354505022112.
It is a super-2 number, since 2×21122050545302 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23189337 + ... + 23280243.
It is an arithmetic number, because the mean of its divisors is an integer number (80557215120).
Almost surely, 22112205054530 is an apocalyptic number.
2112205054530 is an abundant number, since it is smaller than the sum of its proper divisors (3043456713150).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112205054530 is a wasteful number, since it uses less digits than its factorization.
2112205054530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 104103.
The product of its (nonzero) digits is 12000, while the sum is 30.
The spelling of 2112205054530 in words is "two trillion, one hundred twelve billion, two hundred five million, fifty-four thousand, five hundred thirty".
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