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2119830912 = 27351719211
BaseRepresentation
bin111111001011010…
…0000110110000000
312110201211120100000
41332112200312000
513320134042122
6550203200000
7103350160023
oct17626406600
95421746300
102119830912
11998653381
124b1b16000
1327a242324
1416176d1ba
15c61830ac
hex7e5a0d80

2119830912 has 384 divisors, whose sum is σ = 7084022400. Its totient is φ = 627056640.

The previous prime is 2119830907. The next prime is 2119830917. The reversal of 2119830912 is 2190389112.

It is an interprime number because it is at equal distance from previous prime (2119830907) and next prime (2119830917).

It is a tau number, because it is divible by the number of its divisors (384).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2119830917) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10046487 + ... + 10046697.

It is an arithmetic number, because the mean of its divisors is an integer number (18447975).

Almost surely, 22119830912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2119830912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3542011200).

2119830912 is an abundant number, since it is smaller than the sum of its proper divisors (4964191488).

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

2119830912 is a wasteful number, since it uses less digits than its factorization.

2119830912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 2119830912 is about 46041.6215179266. The cubic root of 2119830912 is about 1284.5975033771.

The spelling of 2119830912 in words is "two billion, one hundred nineteen million, eight hundred thirty thousand, nine hundred twelve".