Base | Representation |
---|---|
bin | 11101001000101101101… |
… | …011101111011001110100 |
3 | 21002102002020102112221020 |
4 | 131020231223233121310 |
5 | 230301022111413022 |
6 | 4131450245021140 |
7 | 264440623254534 |
oct | 35105553573164 |
9 | 7072066375836 |
10 | 2002221201012 |
11 | 702156740aaa |
12 | 2840639b47b0 |
13 | 116a687a99b6 |
14 | 6cc9d8894c4 |
15 | 37137ed635c |
hex | 1d22daef674 |
2002221201012 has 48 divisors (see below), whose sum is σ = 4706166370752. Its totient is φ = 662519952640.
The previous prime is 2002221200927. The next prime is 2002221201017. The reversal of 2002221201012 is 2101021222002.
It is a junction number, because it is equal to n+sod(n) for n = 2002221200982 and 2002221201000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2002221201017) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91312 + ... + 2003192.
It is an arithmetic number, because the mean of its divisors is an integer number (98045132724).
Almost surely, 22002221201012 is an apocalyptic number.
It is an amenable number.
2002221201012 is an abundant number, since it is smaller than the sum of its proper divisors (2703945169740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2002221201012 is a wasteful number, since it uses less digits than its factorization.
2002221201012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1912528 (or 1912526 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 2002221201012 its reverse (2101021222002), we get a palindrome (4103242423014).
The spelling of 2002221201012 in words is "two trillion, two billion, two hundred twenty-one million, two hundred one thousand, twelve".
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