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1021912014 = 23170318669
BaseRepresentation
bin111100111010010…
…010001111001110
32122012220111202010
4330322102033032
54043102141024
6245223042050
734216052214
oct7472221716
92565814663
101021912014
1148492a692
122462a0326
1313393c986
1499a12cb4
155eaadb29
hex3ce923ce

1021912014 has 8 divisors (see below), whose sum is σ = 2043824040. Its totient is φ = 340637336.

The previous prime is 1021912013. The next prime is 1021912079. The reversal of 1021912014 is 4102191201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1021912014 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021912013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85159329 + ... + 85159340.

It is an arithmetic number, because the mean of its divisors is an integer number (255478005).

Almost surely, 21021912014 is an apocalyptic number.

1021912014 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1021912014 is a wasteful number, since it uses less digits than its factorization.

1021912014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170318674.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 1021912014 is about 31967.3585708923. The cubic root of 1021912014 is about 1007.2512962748.

The spelling of 1021912014 in words is "one billion, twenty-one million, nine hundred twelve thousand, fourteen".

Divisors: 1 2 3 6 170318669 340637338 510956007 1021912014