Base | Representation |
---|---|
bin | 10110101111010101… |
… | …10101011011011000 |
3 | 1011111211000010010000 |
4 | 23113222311123120 |
5 | 200000303434140 |
6 | 5335225253000 |
7 | 611350353045 |
oct | 132752653330 |
9 | 34454003100 |
10 | 12208264920 |
11 | 51a527a145 |
12 | 2448634160 |
13 | 11c73539c7 |
14 | 83b5521cc |
15 | 4b6bada30 |
hex | 2d7ab56d8 |
12208264920 has 80 divisors (see below), whose sum is σ = 41033345760. Its totient is φ = 3255536448.
The previous prime is 12208264867. The next prime is 12208264963. The reversal of 12208264920 is 2946280221.
12208264920 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 8 + 2 + 649 + 2 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1880752 + ... + 1887231.
It is an arithmetic number, because the mean of its divisors is an integer number (512916822).
Almost surely, 212208264920 is an apocalyptic number.
12208264920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12208264920 is an abundant number, since it is smaller than the sum of its proper divisors (28825080840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12208264920 is a wasteful number, since it uses less digits than its factorization.
12208264920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3768006 (or 3767993 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 36.
The spelling of 12208264920 in words is "twelve billion, two hundred eight million, two hundred sixty-four thousand, nine hundred twenty".
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