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132660487800 = 23345239720627
BaseRepresentation
bin111101110001100101…
…1100110011001111000
3110200102100010000210000
41323203023212121320
54133142041102200
6140535434353000
712404310353361
oct1734313463170
9420370100700
10132660487800
1151296428a85
122186388b760
13c682135779
1465c6974b68
1536b66e1300
hex1ee32e6678

132660487800 has 240 divisors, whose sum is σ = 461932499160. Its totient is φ = 35285310720.

The previous prime is 132660487753. The next prime is 132660487823. The reversal of 132660487800 is 8784066231.

132660487800 is a `hidden beast` number, since 1 + 32 + 6 + 60 + 487 + 80 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 6421087 + ... + 6441713.

Almost surely, 2132660487800 is an apocalyptic number.

132660487800 is a gapful number since it is divisible by the number (10) 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 132660487800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230966249580).

132660487800 is an abundant number, since it is smaller than the sum of its proper divisors (329272011360).

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

132660487800 is a wasteful number, since it uses less digits than its factorization.

132660487800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21052 (or 21034 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 132660487800 in words is "one hundred thirty-two billion, six hundred sixty million, four hundred eighty-seven thousand, eight hundred".