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1680606622080 = 27325521560023
BaseRepresentation
bin11000011101001011111…
…101011111000110000000
312221122221100212011000200
4120131023331133012000
5210013340243401310
63324020544245200
7232263666405111
oct30351375370600
95848840764020
101680606622080
11598817696731
12231867910800
13c2632934919
145b4adc54208
152dab2e7c9c0
hex1874bf5f180

1680606622080 has 192 divisors, whose sum is σ = 5814493981920. Its totient is φ = 447300771840.

The previous prime is 1680606622049. The next prime is 1680606622087. The reversal of 1680606622080 is 802266060861.

1680606622080 is a `hidden beast` number, since 16 + 8 + 0 + 6 + 0 + 6 + 622 + 0 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1680606622087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2720949 + ... + 3280971.

Almost surely, 21680606622080 is an apocalyptic number.

1680606622080 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 1680606622080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2907246990960).

1680606622080 is an abundant number, since it is smaller than the sum of its proper divisors (4133887359840).

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

1680606622080 is a wasteful number, since it uses less digits than its factorization.

1680606622080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560569 (or 560554 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 1680606622080 in words is "one trillion, six hundred eighty billion, six hundred six million, six hundred twenty-two thousand, eighty".