Base | Representation |
---|---|
bin | 10110101110011110… |
… | …11110110101001000 |
3 | 1011111022111211002212 |
4 | 23113033132311020 |
5 | 144441440010342 |
6 | 5334411444252 |
7 | 611232410000 |
oct | 132717366510 |
9 | 34438454085 |
10 | 12201094472 |
11 | 51a1221956 |
12 | 2446156688 |
13 | 11c5a13038 |
14 | 83a607000 |
15 | 4b6244182 |
hex | 2d73ded48 |
12201094472 has 60 divisors (see below), whose sum is σ = 26721834105. Its totient is φ = 5222479584.
The previous prime is 12201094453. The next prime is 12201094517. The reversal of 12201094472 is 27449010221.
It is a happy number.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 12198318916 + 2775556 = 110446^2 + 1666^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=78106.
It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 15308378 + ... + 15309174.
Almost surely, 212201094472 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12201094472
12201094472 is an abundant number, since it is smaller than the sum of its proper divisors (14520739633).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12201094472 is an frugal number, since it uses more digits than its factorization.
12201094472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1628 (or 806 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 32.
Multiplying 12201094472 by its sum of digits (32), we get a square (390435023104 = 6248482).
The spelling of 12201094472 in words is "twelve billion, two hundred one million, ninety-four thousand, four hundred seventy-two".
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