Base | Representation |
---|---|
bin | 10010110111000000… |
… | …000101000000010100 |
3 | 1221021021011200200022 |
4 | 102313000011000110 |
5 | 312433012321322 |
6 | 13145222204312 |
7 | 1314550116230 |
oct | 226700050024 |
9 | 57237150608 |
10 | 20250120212 |
11 | 8651735043 |
12 | 3b11883698 |
13 | 1ba945cc6a |
14 | da15d35c0 |
15 | 7d7bc5942 |
hex | 4b7005014 |
20250120212 has 12 divisors (see below), whose sum is σ = 40500240480. Its totient is φ = 8678622936.
The previous prime is 20250120193. The next prime is 20250120217. The reversal of 20250120212 is 21202105202.
20250120212 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20250120217) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361609262 + ... + 361609317.
It is an arithmetic number, because the mean of its divisors is an integer number (3375020040).
Almost surely, 220250120212 is an apocalyptic number.
It is an amenable number.
20250120212 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.
20250120212 is a wasteful number, since it uses less digits than its factorization.
20250120212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 723218590 (or 723218588 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 17.
Adding to 20250120212 its reverse (21202105202), we get a palindrome (41452225414).
The spelling of 20250120212 in words is "twenty billion, two hundred fifty million, one hundred twenty thousand, two hundred twelve".
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