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660102102000 = 243353111111283
BaseRepresentation
bin10011001101100010010…
…01101011101111110000
32100002211122120011212000
421212301021223233300
541303342114231000
61223125142534000
765455642201125
oct11466111535760
92302748504760
10660102102000
11234a47478380
12a7b22a37300
134a32a5b5b83
1423d4051474c
151228653d000
hex99b126bbf0

660102102000 has 320 divisors, whose sum is σ = 2579601323520. Its totient is φ = 160024608000.

The previous prime is 660102101909. The next prime is 660102102001. The reversal of 660102102000 is 201201066.

It is a happy number.

660102102000 is a `hidden beast` number, since 660 + 1 + 0 + 2 + 1 + 0 + 2 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660102102001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38359 + ... + 1149641.

It is an arithmetic number, because the mean of its divisors is an integer number (8061254136).

Almost surely, 2660102102000 is an apocalyptic number.

660102102000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 660102102000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1289800661760).

660102102000 is an abundant number, since it is smaller than the sum of its proper divisors (1919499221520).

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

660102102000 is a wasteful number, since it uses less digits than its factorization.

660102102000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111326 (or 1111304 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 660102102000 its reverse (201201066), we get a palindrome (660303303066).

The spelling of 660102102000 in words is "six hundred sixty billion, one hundred two million, one hundred two thousand".