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1683812229120 = 2133257231297
BaseRepresentation
bin11000100000001011000…
…001111010000000000000
312221222012202202212012100
4120200023001322000000
5210041421412312440
63325311015430400
7232436302540200
oct30401301720000
95858182685170
101683812229120
1159a11211974a
12232401385400
13c2a23ab7618
145b6d589c400
152dbee5d7230
hex1880b07a000

1683812229120 has 1512 divisors, whose sum is σ = 7088236734852. Its totient is φ = 368616407040.

The previous prime is 1683812229101. The next prime is 1683812229133. The reversal of 1683812229120 is 219222183861.

1683812229120 is a `hidden beast` number, since 168 + 381 + 2 + 2 + 2 + 91 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1668189229056 + 15623000064 = 1291584^2 + 124992^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 17358888912 + ... + 17358889008.

Almost surely, 21683812229120 is an apocalyptic number.

1683812229120 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 1683812229120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3544118367426).

1683812229120 is an abundant number, since it is smaller than the sum of its proper divisors (5404424505732).

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

1683812229120 is an equidigital number, since it uses as much as digits as its factorization.

1683812229120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 1683812229120 in words is "one trillion, six hundred eighty-three billion, eight hundred twelve million, two hundred twenty-nine thousand, one hundred twenty".