Base | Representation |
---|---|
bin | 11101000111100110110… |
… | …000010100101100101010 |
3 | 21002022000022021020212210 |
4 | 131013212300110230222 |
5 | 230241102443020020 |
6 | 4131132215345550 |
7 | 264366263505264 |
oct | 35074660245452 |
9 | 7068008236783 |
10 | 2001031220010 |
11 | 7016a5a58729 |
12 | 2839913822b6 |
13 | 1169090b2924 |
14 | 6cbc9806b34 |
15 | 370b87c93e0 |
hex | 1d1e6c14b2a |
2001031220010 has 64 divisors (see below), whose sum is σ = 4952660060160. Its totient is φ = 517175856960.
The previous prime is 2001031220009. The next prime is 2001031220047. The reversal of 2001031220010 is 100221301002.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7835782 + ... + 8087121.
It is an arithmetic number, because the mean of its divisors is an integer number (77385313440).
Almost surely, 22001031220010 is an apocalyptic number.
2001031220010 is an abundant number, since it is smaller than the sum of its proper divisors (2951628840150).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2001031220010 is a wasteful number, since it uses less digits than its factorization.
2001031220010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15923043.
The product of its (nonzero) digits is 24, while the sum is 12.
Adding to 2001031220010 its reverse (100221301002), we get a palindrome (2101252521012).
The spelling of 2001031220010 in words is "two trillion, one billion, thirty-one million, two hundred twenty thousand, ten".
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