Base | Representation |
---|---|
bin | 10001110000100001100… |
… | …010010000111000011000 |
3 | 11022122220010110220210210 |
4 | 101300201202100320120 |
5 | 124443220313422412 |
6 | 2332340254411120 |
7 | 154110666155124 |
oct | 21604142207030 |
9 | 4278803426723 |
10 | 1220333342232 |
11 | 4305a43a3064 |
12 | 178613200aa0 |
13 | 8b100065764 |
14 | 430c8bc2584 |
15 | 21b24d4e83c |
hex | 11c21890e18 |
1220333342232 has 32 divisors (see below), whose sum is σ = 3055029868800. Its totient is φ = 406218245664.
The previous prime is 1220333342231. The next prime is 1220333342279. The reversal of 1220333342232 is 2322433330221.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 1220333342232.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1220333342231) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34953132 + ... + 34988027.
It is an arithmetic number, because the mean of its divisors is an integer number (95469683400).
Almost surely, 21220333342232 is an apocalyptic number.
1220333342232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1220333342232 is an abundant number, since it is smaller than the sum of its proper divisors (1834696526568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1220333342232 is a wasteful number, since it uses less digits than its factorization.
1220333342232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69941895 (or 69941891 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 30.
Adding to 1220333342232 its reverse (2322433330221), we get a palindrome (3542766672453).
The spelling of 1220333342232 in words is "one trillion, two hundred twenty billion, three hundred thirty-three million, three hundred forty-two thousand, two hundred thirty-two".
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