Base | Representation |
---|---|
bin | 100001100011100100… |
… | …1010000101101110001 |
3 | 20220000000200021011211 |
4 | 1003013021100231301 |
5 | 2140040001223411 |
6 | 53034300040121 |
7 | 5130504512524 |
oct | 1030711205561 |
9 | 226000607154 |
10 | 72060570481 |
11 | 2861934a189 |
12 | 11b70b33041 |
13 | 6a4530b523 |
14 | 36b855abbb |
15 | 1d1b48a221 |
hex | 10c7250b71 |
72060570481 has 9 divisors (see below), whose sum is σ = 72368166969. Its totient is φ = 71754279300.
The previous prime is 72060570451. The next prime is 72060570541. The reversal of 72060570481 is 18407506027.
The square root of 72060570481 is 268441.
It is a perfect power (a square), and thus also a powerful number.
It is not a de Polignac number, because 72060570481 - 213 = 72060562289 is a prime.
It is a super-4 number, since 4×720605704814 (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (72060570451) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 88853566 + ... + 88854376.
It is an arithmetic number, because the mean of its divisors is an integer number (8040907441).
Almost surely, 272060570481 is an apocalyptic number.
72060570481 is the 268441-st square number.
72060570481 is the 134221-st centered octagonal number.
It is an amenable number.
72060570481 is a deficient number, since it is larger than the sum of its proper divisors (307596488).
72060570481 is an frugal number, since it uses more digits than its factorization.
72060570481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2284 (or 1142 counting only the distinct ones).
The product of its (nonzero) digits is 94080, while the sum is 40.
The spelling of 72060570481 in words is "seventy-two billion, sixty million, five hundred seventy thousand, four hundred eighty-one".
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