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1996356180 = 22357131272879
BaseRepresentation
bin111011011111101…
…1111101001010100
312011010111101211210
41312333133221110
513042031344210
6530032501420
7100320514260
oct16677375124
95133441753
101996356180
11934988a45
124786aa870
1325a79c960
1414d1cb0a0
15ba3e2e20
hex76fdfa54

1996356180 has 192 divisors, whose sum is σ = 6936330240. Its totient is φ = 417747456.

The previous prime is 1996356151. The next prime is 1996356199. The reversal of 1996356180 is 816536991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 691981 + ... + 694859.

It is an arithmetic number, because the mean of its divisors is an integer number (36126720).

Almost surely, 21996356180 is an apocalyptic number.

1996356180 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 1996356180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3468165120).

1996356180 is an abundant number, since it is smaller than the sum of its proper divisors (4939974060).

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

1996356180 is a wasteful number, since it uses less digits than its factorization.

1996356180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3038 (or 3036 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 48.

The square root of 1996356180 is about 44680.6018312198. The cubic root of 1996356180 is about 1259.1554304899.

The spelling of 1996356180 in words is "one billion, nine hundred ninety-six million, three hundred fifty-six thousand, one hundred eighty".