Base | Representation |
---|---|
bin | 100010011010001000… |
… | …1100101101110010000 |
3 | 21001201121211121110102 |
4 | 1010310101211232100 |
5 | 2202312204021344 |
6 | 53540102351532 |
7 | 5224046063615 |
oct | 1046421455620 |
9 | 231647747412 |
10 | 73891470224 |
11 | 29378899270 |
12 | 123a212b5a8 |
13 | 6c77729c60 |
14 | 380d79850c |
15 | 1dc7098e4e |
hex | 1134465b90 |
73891470224 has 160 divisors (see below), whose sum is σ = 178526073600. Its totient is φ = 29107814400.
The previous prime is 73891470223. The next prime is 73891470239. The reversal of 73891470224 is 42207419837.
It is a happy number.
It is a super-2 number, since 2×738914702242 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (73891470223) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17462189 + ... + 17466419.
It is an arithmetic number, because the mean of its divisors is an integer number (1115787960).
Almost surely, 273891470224 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 73891470224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89263036800).
73891470224 is an abundant number, since it is smaller than the sum of its proper divisors (104634603376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
73891470224 is a wasteful number, since it uses less digits than its factorization.
73891470224 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4729 (or 4723 counting only the distinct ones).
The product of its (nonzero) digits is 677376, while the sum is 47.
The spelling of 73891470224 in words is "seventy-three billion, eight hundred ninety-one million, four hundred seventy thousand, two hundred twenty-four".
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