Base | Representation |
---|---|
bin | 10010101110001011… |
… | …011101111111101110 |
3 | 1220212221200001111120 |
4 | 102232023131333232 |
5 | 312132120024324 |
6 | 13122414001410 |
7 | 1311102061143 |
oct | 225613357756 |
9 | 56787601446 |
10 | 20102111214 |
11 | 8586132759 |
12 | 3a901a6266 |
13 | 1b848aa383 |
14 | d89aa63ca |
15 | 7c9bdb179 |
hex | 4ae2ddfee |
20102111214 has 8 divisors (see below), whose sum is σ = 40204222440. Its totient is φ = 6700703736.
The previous prime is 20102111189. The next prime is 20102111257. The reversal of 20102111214 is 41211120102.
It is a sphenic number, since it is the product of 3 distinct primes.
20102111214 is an admirable number.
It is a super-3 number, since 3×201021112143 (a number of 32 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20102111193 and 20102111202.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675175929 + ... + 1675175940.
It is an arithmetic number, because the mean of its divisors is an integer number (5025527805).
Almost surely, 220102111214 is an apocalyptic number.
20102111214 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.
20102111214 is a wasteful number, since it uses less digits than its factorization.
20102111214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3350351874.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 20102111214 its reverse (41211120102), we get a palindrome (61313231316).
The spelling of 20102111214 in words is "twenty billion, one hundred two million, one hundred eleven thousand, two hundred fourteen".
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