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1420333418687 = 11442611241267
BaseRepresentation
bin10100101010110010011…
…110000000100010111111
312000210010110220111011212
4110222302132000202333
5141232320323344222
63004254150235035
7204421120601051
oct24526236004277
95023113814155
101420333418687
114a83a6206747
121ab32a955a7b
13a3c243b0671
144ca5ccc38d1
1526e2d2db6e2
hex14ab27808bf

1420333418687 has 4 divisors (see below), whose sum is σ = 1420335804216. Its totient is φ = 1420331033160.

The previous prime is 1420333418671. The next prime is 1420333418689. The reversal of 1420333418687 is 7868143330241.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1420333418687 - 24 = 1420333418671 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 (1420333418689) 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, 523628 + ... + 1764894.

It is an arithmetic number, because the mean of its divisors is an integer number (355083951054).

Almost surely, 21420333418687 is an apocalyptic number.

1420333418687 is a deficient number, since it is larger than the sum of its proper divisors (2385529).

1420333418687 is a wasteful number, since it uses less digits than its factorization.

1420333418687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385528.

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 1420333418687 in words is "one trillion, four hundred twenty billion, three hundred thirty-three million, four hundred eighteen thousand, six hundred eighty-seven".

Divisors: 1 1144261 1241267 1420333418687