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1421286611 = 43674871013
BaseRepresentation
bin101010010110111…
…0001110011010011
310200001101211200212
41110231301303103
510402322132421
6353011034335
750135510513
oct12455616323
93601354625
101421286611
1166a308738
12337b9b9ab
131985c26c4
14d6a93843
1584b9be5b
hex54b71cd3

1421286611 has 16 divisors (see below), whose sum is σ = 1480537344. Its totient is φ = 1363358304.

The previous prime is 1421286571. The next prime is 1421286619. The reversal of 1421286611 is 1166821241.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1421286611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421286619) 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 15 ways as a sum of consecutive naturals, for example, 1402541 + ... + 1403553.

It is an arithmetic number, because the mean of its divisors is an integer number (92533584).

Almost surely, 21421286611 is an apocalyptic number.

1421286611 is a deficient number, since it is larger than the sum of its proper divisors (59250733).

1421286611 is a wasteful number, since it uses less digits than its factorization.

1421286611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610.

The product of its digits is 4608, while the sum is 32.

The square root of 1421286611 is about 37699.9550530236. The cubic root of 1421286611 is about 1124.3302313901.

The spelling of 1421286611 in words is "one billion, four hundred twenty-one million, two hundred eighty-six thousand, six hundred eleven".

Divisors: 1 43 67 487 1013 2881 20941 32629 43559 67871 493331 1403047 2918453 21213233 33053177 1421286611