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1021272014 = 27210421143
BaseRepresentation
bin111100110111110…
…101111111001110
32122011200222211102
4330313311333032
54042421201024
6245201223102
734210445300
oct7467657716
92564628742
101021272014
11484532864
12246031a92
13133777589
14998c7970
155e9d41ae
hex3cdf5fce

1021272014 has 12 divisors (see below), whose sum is σ = 1782015624. Its totient is φ = 437687964.

The previous prime is 1021272011. The next prime is 1021272019. The reversal of 1021272014 is 4102721201.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021272011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5210474 + ... + 5210669.

It is an arithmetic number, because the mean of its divisors is an integer number (148501302).

Almost surely, 21021272014 is an apocalyptic number.

1021272014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1021272014 is a deficient number, since it is larger than the sum of its proper divisors (760743610).

1021272014 is a wasteful number, since it uses less digits than its factorization.

1021272014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10421159 (or 10421152 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 1021272014 is about 31957.3467922479. The cubic root of 1021272014 is about 1007.0409795867.

Adding to 1021272014 its reverse (4102721201), we get a palindrome (5123993215).

The spelling of 1021272014 in words is "one billion, twenty-one million, two hundred seventy-two thousand, fourteen".

Divisors: 1 2 7 14 49 98 10421143 20842286 72948001 145896002 510636007 1021272014