Base | Representation |
---|---|
bin | 1001011011101101010111011… |
… | …0011110100010100111011001 |
3 | 10020001021012211011110012102221 |
4 | 2112323111312132202213121 |
5 | 1144000422422404101342 |
6 | 10311430322403424041 |
7 | 256546606220440636 |
oct | 22673256636424731 |
9 | 3201235734405387 |
10 | 663784888347097 |
11 | 1825586546a9a80 |
12 | 62545b60085021 |
13 | 2264c853154b0a |
14 | b9cb507c5718d |
15 | 51b187cc89a67 |
hex | 25bb5767a29d9 |
663784888347097 has 16 divisors (see below), whose sum is σ = 731403809323200. Its totient is φ = 597380160456000.
The previous prime is 663784888347089. The next prime is 663784888347101. The reversal of 663784888347097 is 790743888487366.
It is a cyclic number.
It is not a de Polignac number, because 663784888347097 - 23 = 663784888347089 is a prime.
It is a super-2 number, since 2×6637848883470972 (a number of 30 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 663784888346999 and 663784888347017.
It is not an unprimeable number, because it can be changed into a prime (663784888347037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35269023 + ... + 50709700.
It is an arithmetic number, because the mean of its divisors is an integer number (45712738082700).
Almost surely, 2663784888347097 is an apocalyptic number.
It is an amenable number.
663784888347097 is a deficient number, since it is larger than the sum of its proper divisors (67618920976103).
663784888347097 is a wasteful number, since it uses less digits than its factorization.
663784888347097 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85985784.
The product of its (nonzero) digits is 65548320768, while the sum is 88.
The spelling of 663784888347097 in words is "six hundred sixty-three trillion, seven hundred eighty-four billion, eight hundred eighty-eight million, three hundred forty-seven thousand, ninety-seven".
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