Base | Representation |
---|---|
bin | 10010101110001011… |
… | …011011110000000110 |
3 | 1220212221122120220010 |
4 | 102232023123300012 |
5 | 312132114231042 |
6 | 13122413451050 |
7 | 1311102022302 |
oct | 225613336006 |
9 | 56787576803 |
10 | 20102102022 |
11 | 8586126862 |
12 | 3a901a0a86 |
13 | 1b848a6132 |
14 | d89aa2d02 |
15 | 7c9bd859c |
hex | 4ae2dbc06 |
20102102022 has 8 divisors (see below), whose sum is σ = 40204204056. Its totient is φ = 6700700672.
The previous prime is 20102101951. The next prime is 20102102039. The reversal of 20102102022 is 22020120102.
It is a sphenic number, since it is the product of 3 distinct primes.
20102102022 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 20102101989 and 20102102007.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675175163 + ... + 1675175174.
It is an arithmetic number, because the mean of its divisors is an integer number (5025525507).
Almost surely, 220102102022 is an apocalyptic number.
20102102022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20102102022 is a wasteful number, since it uses less digits than its factorization.
20102102022 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3350350342.
The product of its (nonzero) digits is 32, while the sum is 12.
Adding to 20102102022 its reverse (22020120102), we get a palindrome (42122222124).
The spelling of 20102102022 in words is "twenty billion, one hundred two million, one hundred two thousand, twenty-two".
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