Base | Representation |
---|---|
bin | 10100010110010100… |
… | …011010001000101010 |
3 | 2002101201021200120210 |
4 | 110112110122020222 |
5 | 324221404111122 |
6 | 14012030001550 |
7 | 1402305600555 |
oct | 242624321052 |
9 | 62351250523 |
10 | 21849285162 |
11 | 92a2396371 |
12 | 42993462b6 |
13 | 20a2862903 |
14 | 10b3b4b69c |
15 | 87d2ac40c |
hex | 51651a22a |
21849285162 has 8 divisors (see below), whose sum is σ = 43698570336. Its totient is φ = 7283095052.
The previous prime is 21849285149. The next prime is 21849285167. The reversal of 21849285162 is 26158294812.
It is a sphenic number, since it is the product of 3 distinct primes.
21849285162 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (21849285167) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1820773758 + ... + 1820773769.
It is an arithmetic number, because the mean of its divisors is an integer number (5462321292).
Almost surely, 221849285162 is an apocalyptic number.
21849285162 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.
21849285162 is a wasteful number, since it uses less digits than its factorization.
21849285162 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3641547532.
The product of its digits is 552960, while the sum is 48.
The spelling of 21849285162 in words is "twenty-one billion, eight hundred forty-nine million, two hundred eighty-five thousand, one hundred sixty-two".
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