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2091412080 = 2432517219232
BaseRepresentation
bin111110010101000…
…0110101001110000
312101202100202000200
41330222012221300
513240400141310
6543310115200
7102553465212
oct17452065160
95352322020
102091412080
1198360293a
124a44abb00
132743a1c54
1415ba925b2
15c391c9c0
hex7ca86a70

2091412080 has 540 divisors, whose sum is σ = 8210125560. Its totient is φ = 475656192.

The previous prime is 2091412079. The next prime is 2091412121. The reversal of 2091412080 is 802141902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 90930949 + ... + 90930971.

Almost surely, 22091412080 is an apocalyptic number.

2091412080 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 2091412080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4105062780).

2091412080 is an abundant number, since it is smaller than the sum of its proper divisors (6118713480).

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

2091412080 is a wasteful number, since it uses less digits than its factorization.

2091412080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 2091412080 is about 45731.9590658437. The cubic root of 2091412080 is about 1278.8311432472.

Adding to 2091412080 its reverse (802141902), we get a palindrome (2893553982).

The spelling of 2091412080 in words is "two billion, ninety-one million, four hundred twelve thousand, eighty".