Base | Representation |
---|---|
bin | 10001110000001111101… |
… | …000110010001000101100 |
3 | 11022122010012110001222020 |
4 | 101300033220302020230 |
5 | 124442111430431140 |
6 | 2332250410350140 |
7 | 154100361625635 |
oct | 21601750621054 |
9 | 4278105401866 |
10 | 1220033061420 |
11 | 43045a9476a8 |
12 | 17854a72b350 |
13 | 8b082a99bc4 |
14 | 4309ad7888c |
15 | 21b087d76d0 |
hex | 11c0fa3222c |
1220033061420 has 48 divisors (see below), whose sum is σ = 3427219961088. Its totient is φ = 324282398400.
The previous prime is 1220033061397. The next prime is 1220033061433. The reversal of 1220033061420 is 241603300221.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33098656 + ... + 33135495.
It is an arithmetic number, because the mean of its divisors is an integer number (71400415856).
Almost surely, 21220033061420 is an apocalyptic number.
1220033061420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1220033061420 is an abundant number, since it is smaller than the sum of its proper divisors (2207186899668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1220033061420 is a wasteful number, since it uses less digits than its factorization.
1220033061420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66234470 (or 66234468 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 1220033061420 its reverse (241603300221), we get a palindrome (1461636361641).
The spelling of 1220033061420 in words is "one trillion, two hundred twenty billion, thirty-three million, sixty-one thousand, four hundred twenty".
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