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2068940160 = 27325723297
BaseRepresentation
bin111101101010001…
…1000010110000000
312100012002001100100
41323110120112000
513214122041120
6541144322400
7102161462340
oct17324302600
95305061310
102068940160
11971954401
12498a73400
1326c834661
14158ac2d20
15c197e490
hex7b518580

2068940160 has 576 divisors, whose sum is σ = 8623349280. Its totient is φ = 447676416.

The previous prime is 2068940147. The next prime is 2068940177. The reversal of 2068940160 is 610498602.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 21329232 + ... + 21329328.

Almost surely, 22068940160 is an apocalyptic number.

2068940160 is a gapful number since it is divisible by the number (20) 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 2068940160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4311674640).

2068940160 is an abundant number, since it is smaller than the sum of its proper divisors (6554409120).

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

2068940160 is a wasteful number, since it uses less digits than its factorization.

2068940160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2068940160 is about 45485.6038763915. The cubic root of 2068940160 is about 1274.2343546194.

The spelling of 2068940160 in words is "two billion, sixty-eight million, nine hundred forty thousand, one hundred sixty".