Base | Representation |
---|---|
bin | 10110101110110111… |
… | …10100000010100000 |
3 | 1011111112121001101210 |
4 | 23113123310002200 |
5 | 144443301431242 |
6 | 5335005030120 |
7 | 611302032330 |
oct | 132733640240 |
9 | 34445531353 |
10 | 12204327072 |
11 | 51a302a623 |
12 | 2447255340 |
13 | 11c65a5512 |
14 | 83ac090c0 |
15 | 4b6681d9c |
hex | 2d76f40a0 |
12204327072 has 96 divisors (see below), whose sum is σ = 36635300352. Its totient is φ = 3484825344.
The previous prime is 12204327071. The next prime is 12204327097. The reversal of 12204327072 is 27072340221.
It is a tau number, because it is divible by the number of its divisors (96).
It is not an unprimeable number, because it can be changed into a prime (12204327071) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1341483 + ... + 1350549.
It is an arithmetic number, because the mean of its divisors is an integer number (381617712).
Almost surely, 212204327072 is an apocalyptic number.
12204327072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12204327072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18317650176).
12204327072 is an abundant number, since it is smaller than the sum of its proper divisors (24430973280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12204327072 is a wasteful number, since it uses less digits than its factorization.
12204327072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11090 (or 11082 counting only the distinct ones).
The product of its (nonzero) digits is 9408, while the sum is 30.
Adding to 12204327072 its reverse (27072340221), we get a palindrome (39276667293).
The spelling of 12204327072 in words is "twelve billion, two hundred four million, three hundred twenty-seven thousand, seventy-two".
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