Base | Representation |
---|---|
bin | 10110110001100101… |
… | …00110110000100000 |
3 | 1011120010101222110012 |
4 | 23120302212300200 |
5 | 200020113013300 |
6 | 5341140424052 |
7 | 611666313140 |
oct | 133062466040 |
9 | 34503358405 |
10 | 12227079200 |
11 | 520495a636 |
12 | 24529a8028 |
13 | 11cb21050b |
14 | 83dc4c920 |
15 | 4b8678435 |
hex | 2d8ca6c20 |
12227079200 has 144 divisors (see below), whose sum is σ = 35036132544. Its totient is φ = 4078771200.
The previous prime is 12227079157. The next prime is 12227079217. The reversal of 12227079200 is 297072221.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177695 + ... + 236705.
It is an arithmetic number, because the mean of its divisors is an integer number (243306476).
Almost surely, 212227079200 is an apocalyptic number.
12227079200 is a gapful number since it is divisible by the number (10) 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 12227079200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17518066272).
12227079200 is an abundant number, since it is smaller than the sum of its proper divisors (22809053344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12227079200 is a wasteful number, since it uses less digits than its factorization.
12227079200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59075 (or 59062 counting only the distinct ones).
The product of its (nonzero) digits is 7056, while the sum is 32.
The spelling of 12227079200 in words is "twelve billion, two hundred twenty-seven million, seventy-nine thousand, two hundred".
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