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664104642362 = 2779730982153
BaseRepresentation
bin10011010100111111011…
…10001010011100111010
32100111011121001022000122
421222133232022130322
541340041242023422
61225030243133242
765660063215040
oct11523756123472
92314147038018
10664104642362
11236710837177
12a885b374222
134a8178b6955
14241ddd2a390
151241cb15d42
hex9a9fb8a73a

664104642362 has 32 divisors (see below), whose sum is σ = 1153047820800. Its totient is φ = 280971669888.

The previous prime is 664104642319. The next prime is 664104642367. The reversal of 664104642362 is 263246401466.

It is not an unprimeable number, because it can be changed into a prime (664104642367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8042678 + ... + 8124830.

It is an arithmetic number, because the mean of its divisors is an integer number (36032744400).

Almost surely, 2664104642362 is an apocalyptic number.

664104642362 is a deficient number, since it is larger than the sum of its proper divisors (488943178438).

664104642362 is a wasteful number, since it uses less digits than its factorization.

664104642362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89550.

The product of its (nonzero) digits is 995328, while the sum is 44.

The spelling of 664104642362 in words is "six hundred sixty-four billion, one hundred four million, six hundred forty-two thousand, three hundred sixty-two".

Divisors: 1 2 7 14 79 158 553 1106 7309 14618 51163 82153 102326 164306 575071 577411 1150142 1154822 4041877 6490087 8083754 12980174 45430609 90861218 600456277 1200912554 4203193939 8406387878 47436045883 94872091766 332052321181 664104642362