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1420692169709 = 61191397307147
BaseRepresentation
bin10100101011000111110…
…110100010001111101101
312000211001110221221001202
4110223013312202033231
5141234034143412314
63004353523415245
7204433035123311
oct24530766421755
95024043857052
101420692169709
114a856a76869a
121ab40ab24525
13a3c8080ba87
144ca947cbb41
1526e4ea530de
hex14ac7da23ed

1420692169709 has 16 divisors (see below), whose sum is σ = 1455203337216. Its totient is φ = 1386579902400.

The previous prime is 1420692169697. The next prime is 1420692169717. The reversal of 1420692169709 is 9079612960241.

It is a cyclic number.

It is not a de Polignac number, because 1420692169709 - 28 = 1420692169453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420692169789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4471874 + ... + 4779020.

It is an arithmetic number, because the mean of its divisors is an integer number (90950208576).

Almost surely, 21420692169709 is an apocalyptic number.

It is an amenable number.

1420692169709 is a deficient number, since it is larger than the sum of its proper divisors (34511167507).

1420692169709 is a wasteful number, since it uses less digits than its factorization.

1420692169709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307796.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The spelling of 1420692169709 in words is "one trillion, four hundred twenty billion, six hundred ninety-two million, one hundred sixty-nine thousand, seven hundred nine".

Divisors: 1 61 191 397 11651 24217 75827 307147 4625447 18735967 58665077 121937359 3578569697 7438178899 23290035569 1420692169709