Base | Representation |
---|---|
bin | 11101011101111100100001… |
… | …11011011000110001110001 |
3 | 22111102212200110000200122111 |
4 | 32232332100323120301301 |
5 | 31443143113342104331 |
6 | 345452552555005321 |
7 | 16435455232026634 |
oct | 1656762073306161 |
9 | 274385613020574 |
10 | 64800603081841 |
11 | 19713866100810 |
12 | 732695aa39841 |
13 | 2a2089455ab43 |
14 | 120051a147c1b |
15 | 77592bc7adb1 |
hex | 3aef90ed8c71 |
64800603081841 has 32 divisors (see below), whose sum is σ = 74530310400000. Its totient is φ = 55720563655680.
The previous prime is 64800603081829. The next prime is 64800603081847. The reversal of 64800603081841 is 14818030600846.
It is not a de Polignac number, because 64800603081841 - 215 = 64800603049073 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (64800603081847) 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, 759520401 + ... + 759605713.
It is an arithmetic number, because the mean of its divisors is an integer number (2329072200000).
Almost surely, 264800603081841 is an apocalyptic number.
It is an amenable number.
64800603081841 is a deficient number, since it is larger than the sum of its proper divisors (9729707318159).
64800603081841 is a wasteful number, since it uses less digits than its factorization.
64800603081841 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91069.
The product of its (nonzero) digits is 884736, while the sum is 49.
The spelling of 64800603081841 in words is "sixty-four trillion, eight hundred billion, six hundred three million, eighty-one thousand, eight hundred forty-one".
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