Base | Representation |
---|---|
bin | 1011110001010101000… |
… | …0001010000100100010 |
3 | 201022222001122101102110 |
4 | 2330111100022010202 |
5 | 11303121311120002 |
6 | 232522032500150 |
7 | 20416125544350 |
oct | 2742520120442 |
9 | 638861571373 |
10 | 202220020002 |
11 | 78840a25080 |
12 | 332370aa656 |
13 | 160b9240090 |
14 | 9b04c907d0 |
15 | 53d82e7e6c |
hex | 2f1540a122 |
202220020002 has 256 divisors, whose sum is σ = 576950169600. Its totient is φ = 45545794560.
The previous prime is 202220019997. The next prime is 202220020021. The reversal of 202220020002 is 200020022202.
It is a self number, because there is not a number n which added to its sum of digits gives 202220020002.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6428749 + ... + 6460127.
It is an arithmetic number, because the mean of its divisors is an integer number (2253711600).
Almost surely, 2202220020002 is an apocalyptic number.
202220020002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 202220020002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288475084800).
202220020002 is an abundant number, since it is smaller than the sum of its proper divisors (374730149598).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202220020002 is a wasteful number, since it uses less digits than its factorization.
202220020002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31481.
The product of its (nonzero) digits is 64, while the sum is 12.
Adding to 202220020002 its reverse (200020022202), we get a palindrome (402240042204).
The spelling of 202220020002 in words is "two hundred two billion, two hundred twenty million, twenty thousand, two".
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