Base | Representation |
---|---|
bin | 10011111000000010… |
… | …011000101011110110 |
3 | 2001002022022112100000 |
4 | 103320002120223312 |
5 | 322201324303100 |
6 | 13445400532130 |
7 | 1353566403462 |
oct | 237002305366 |
9 | 61068275300 |
10 | 21341244150 |
11 | 9061637666 |
12 | 4177181046 |
13 | 2021523825 |
14 | 10664a14a2 |
15 | 84d8a6900 |
hex | 4f8098af6 |
21341244150 has 144 divisors (see below), whose sum is σ = 60912070128. Its totient is φ = 5552064000.
The previous prime is 21341244139. The next prime is 21341244187. The reversal of 21341244150 is 5144214312.
21341244150 is a `hidden beast` number, since 213 + 4 + 1 + 2 + 441 + 5 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
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 71 ways as a sum of consecutive naturals, for example, 476730 + ... + 519570.
It is an arithmetic number, because the mean of its divisors is an integer number (423000487).
Almost surely, 221341244150 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 21341244150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30456035064).
21341244150 is an abundant number, since it is smaller than the sum of its proper divisors (39570825978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21341244150 is a wasteful number, since it uses less digits than its factorization.
21341244150 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42909 (or 42892 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
Adding to 21341244150 its reverse (5144214312), we get a palindrome (26485458462).
The spelling of 21341244150 in words is "twenty-one billion, three hundred forty-one million, two hundred forty-four thousand, one hundred fifty".
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