Base | Representation |
---|---|
bin | 1010000011011011100… |
… | …0100100011100100000 |
3 | 121111211010012020020120 |
4 | 2200312320210130200 |
5 | 10312212142201343 |
6 | 211202442040240 |
7 | 15323102306622 |
oct | 2406670443440 |
9 | 544733166216 |
10 | 172719490848 |
11 | 67282716973 |
12 | 295834a9080 |
13 | 133974a6278 |
14 | 8506d00c12 |
15 | 475d480683 |
hex | 2836e24720 |
172719490848 has 192 divisors, whose sum is σ = 481579499520. Its totient is φ = 54112486400.
The previous prime is 172719490847. The next prime is 172719490919. The reversal of 172719490848 is 848094917271.
It is a junction number, because it is equal to n+sod(n) for n = 172719490791 and 172719490800.
It is not an unprimeable number, because it can be changed into a prime (172719490847) 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, 24988513 + ... + 24995423.
It is an arithmetic number, because the mean of its divisors is an integer number (2508226560).
Almost surely, 2172719490848 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 172719490848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240789749760).
172719490848 is an abundant number, since it is smaller than the sum of its proper divisors (308860008672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
172719490848 is a wasteful number, since it uses less digits than its factorization.
172719490848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7191 (or 7183 counting only the distinct ones).
The product of its (nonzero) digits is 8128512, while the sum is 60.
The spelling of 172719490848 in words is "one hundred seventy-two billion, seven hundred nineteen million, four hundred ninety thousand, eight hundred forty-eight".
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