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668028295482 = 231732320127739
BaseRepresentation
bin10011011100010011001…
…01101101100100111010
32100212022001002112020120
421232021211231210322
541421110220423412
61230515444434110
766156235552002
oct11561145554472
92325261075216
10668028295482
112383446148a9
12a95753a8936
134acc17569a2
1424493089002
151259c309b8c
hex9b8996d93a

668028295482 has 32 divisors (see below), whose sum is σ = 1343885826240. Its totient is φ = 221371430400.

The previous prime is 668028295453. The next prime is 668028295499. The reversal of 668028295482 is 284592820866.

It is a super-2 number, since 2×6680282954822 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24068769 + ... + 24096507.

It is an arithmetic number, because the mean of its divisors is an integer number (41996432070).

Almost surely, 2668028295482 is an apocalyptic number.

668028295482 is an abundant number, since it is smaller than the sum of its proper divisors (675857530758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

668028295482 is a wasteful number, since it uses less digits than its factorization.

668028295482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51118.

The product of its (nonzero) digits is 26542080, while the sum is 60.

The spelling of 668028295482 in words is "six hundred sixty-eight billion, twenty-eight million, two hundred ninety-five thousand, four hundred eighty-two".

Divisors: 1 2 3 6 173 346 519 1038 23201 27739 46402 55478 69603 83217 139206 166434 4013773 4798847 8027546 9597694 12041319 14396541 24082638 28793082 643572539 1287145078 1930717617 3861435234 111338049247 222676098494 334014147741 668028295482