Base | Representation |
---|---|
bin | 1011110000100101010… |
… | …1111111010000111100 |
3 | 201022110010200121002220 |
4 | 2330021111333100330 |
5 | 11302214134101022 |
6 | 232450134245340 |
7 | 20411151361050 |
oct | 2741125772074 |
9 | 638403617086 |
10 | 202020222012 |
11 | 7874916a974 |
12 | 331a01b6850 |
13 | 16086a26a0b |
14 | 9ac6521c60 |
15 | 53c59cd85c |
hex | 2f0957f43c |
202020222012 has 96 divisors (see below), whose sum is σ = 550446962688. Its totient is φ = 56464848384.
The previous prime is 202020222011. The next prime is 202020222013. The reversal of 202020222012 is 210222020202.
It is an interprime number because it is at equal distance from previous prime (202020222011) and next prime (202020222013).
It is a junction number, because it is equal to n+sod(n) for n = 202020221982 and 202020222000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202020222011) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9057418 + ... + 9079694.
It is an arithmetic number, because the mean of its divisors is an integer number (5733822528).
Almost surely, 2202020222012 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 202020222012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275223481344).
202020222012 is an abundant number, since it is smaller than the sum of its proper divisors (348426740676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202020222012 is a wasteful number, since it uses less digits than its factorization.
202020222012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24635 (or 24633 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 15.
Adding to 202020222012 its reverse (210222020202), we get a palindrome (412242242214).
The spelling of 202020222012 in words is "two hundred two billion, twenty million, two hundred twenty-two thousand, twelve".
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