Base | Representation |
---|---|
bin | 10001110000011010111… |
… | …010000010001101110100 |
3 | 11022122121101012220120100 |
4 | 101300122322002031310 |
5 | 124443003331224413 |
6 | 2332321243034100 |
7 | 154105145666226 |
oct | 21603272021564 |
9 | 4278541186510 |
10 | 1220222133108 |
11 | 430547645aa0 |
12 | 1785a1b0b930 |
13 | 8b0b2cc8c44 |
14 | 430b8114416 |
15 | 21b1a1d3a73 |
hex | 11c1ae82374 |
1220222133108 has 72 divisors (see below), whose sum is σ = 3541952625120. Its totient is φ = 350303002560.
The previous prime is 1220222133107. The next prime is 1220222133157. The reversal of 1220222133108 is 8013312220221.
1220222133108 is a `hidden beast` number, since 122 + 0 + 2 + 221 + 3 + 310 + 8 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1220222133107) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81081135 + ... + 81096182.
It is an arithmetic number, because the mean of its divisors is an integer number (49193786460).
Almost surely, 21220222133108 is an apocalyptic number.
1220222133108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
1220222133108 is an abundant number, since it is smaller than the sum of its proper divisors (2321730492012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1220222133108 is a wasteful number, since it uses less digits than its factorization.
1220222133108 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 162177357 (or 162177352 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
Adding to 1220222133108 its reverse (8013312220221), we get a palindrome (9233534353329).
The spelling of 1220222133108 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, one hundred thirty-three thousand, one hundred eight".
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