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1021312014 = 23533211673
BaseRepresentation
bin111100110111111…
…111110000001110
32122011210000200220
4330313333300032
54042423441024
6245202132210
734211003022
oct7467776016
92564700626
101021312014
1148455a918
12246051066
1313378c848
14998d8382
155e9e0e79
hex3cdffc0e

1021312014 has 16 divisors (see below), whose sum is σ = 2081164752. Its totient is φ = 334013888.

The previous prime is 1021311983. The next prime is 1021312027. The reversal of 1021312014 is 4102131201.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1021311984 and 1021312002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1605519 + ... + 1606154.

It is an arithmetic number, because the mean of its divisors is an integer number (130072797).

Almost surely, 21021312014 is an apocalyptic number.

1021312014 is an abundant number, since it is smaller than the sum of its proper divisors (1059852738).

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

1021312014 is a wasteful number, since it uses less digits than its factorization.

1021312014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3211731.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1021312014 is about 31957.9726203024. The cubic root of 1021312014 is about 1007.0541269535.

Adding to 1021312014 its reverse (4102131201), we get a palindrome (5123443215).

The spelling of 1021312014 in words is "one billion, twenty-one million, three hundred twelve thousand, fourteen".

Divisors: 1 2 3 6 53 106 159 318 3211673 6423346 9635019 19270038 170218669 340437338 510656007 1021312014