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1420986320279 = 5526592571181
BaseRepresentation
bin10100101011011001011…
…000101000010110010111
312000211210222110022210022
4110223121120220112113
5141240134444222104
63004443032215355
7204443236301201
oct24533130502627
95024728408708
101420986320279
114a8700807339
121ab49153a55b
13a3cc973c276
144cac18bb771
1526e6a7a8bbe
hex14ad9628597

1420986320279 has 4 divisors (see below), whose sum is σ = 1420989444120. Its totient is φ = 1420983196440.

The previous prime is 1420986320203. The next prime is 1420986320311. The reversal of 1420986320279 is 9720236890241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1420986320279 - 220 = 1420985271703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1420986320279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420986310279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 732932 + ... + 1838249.

It is an arithmetic number, because the mean of its divisors is an integer number (355247361030).

Almost surely, 21420986320279 is an apocalyptic number.

1420986320279 is a deficient number, since it is larger than the sum of its proper divisors (3123841).

1420986320279 is an equidigital number, since it uses as much as digits as its factorization.

1420986320279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3123840.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 1420986320279 in words is "one trillion, four hundred twenty billion, nine hundred eighty-six million, three hundred twenty thousand, two hundred seventy-nine".

Divisors: 1 552659 2571181 1420986320279