Base | Representation |
---|---|
bin | 10001110000101011101… |
… | …111010011011000001110 |
3 | 11022200100001121021200212 |
4 | 101300223233103120032 |
5 | 124444043130014434 |
6 | 2332405251522422 |
7 | 154115145232112 |
oct | 21605357233016 |
9 | 4280301537625 |
10 | 1220504532494 |
11 | 430681a98915 |
12 | 1786605b9412 |
13 | 8b129673780 |
14 | 43103825742 |
15 | 21b34db78ce |
hex | 11c2bbd360e |
1220504532494 has 16 divisors (see below), whose sum is σ = 1971792637920. Its totient is φ = 563250243360.
The previous prime is 1220504532469. The next prime is 1220504532517. The reversal of 1220504532494 is 4942354050221.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2229677 + ... + 2722584.
It is an arithmetic number, because the mean of its divisors is an integer number (123237039870).
Almost surely, 21220504532494 is an apocalyptic number.
1220504532494 is a deficient number, since it is larger than the sum of its proper divisors (751288105426).
1220504532494 is a wasteful number, since it uses less digits than its factorization.
1220504532494 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4961755.
The product of its (nonzero) digits is 345600, while the sum is 41.
The spelling of 1220504532494 in words is "one trillion, two hundred twenty billion, five hundred four million, five hundred thirty-two thousand, four hundred ninety-four".
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