Base | Representation |
---|---|
bin | 1010000010110011101… |
… | …0101100100000000000 |
3 | 121111101110112211112212 |
4 | 2200230322230200000 |
5 | 10311341340312333 |
6 | 211134110041252 |
7 | 15316002100652 |
oct | 2405472544000 |
9 | 544343484485 |
10 | 172552275968 |
11 | 671a7296956 |
12 | 295374a9228 |
13 | 1336b95a857 |
14 | 84cca146d2 |
15 | 474d950448 |
hex | 282ceac800 |
172552275968 has 108 divisors (see below), whose sum is σ = 352821919905. Its totient is φ = 84368080896.
The previous prime is 172552275953. The next prime is 172552275979. The reversal of 172552275968 is 869572255271.
It is a happy number.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 171223819264 + 1328456704 = 413792^2 + 36448^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=293728.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1259505596 + ... + 1259505732.
Almost surely, 2172552275968 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 172552275968
172552275968 is an abundant number, since it is smaller than the sum of its proper divisors (180269643937).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
172552275968 is an frugal number, since it uses more digits than its factorization.
172552275968 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 430 (or 206 counting only the distinct ones).
The product of its digits is 21168000, while the sum is 59.
The spelling of 172552275968 in words is "one hundred seventy-two billion, five hundred fifty-two million, two hundred seventy-five thousand, nine hundred sixty-eight".
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