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1220117330443 = 11715992608097
BaseRepresentation
bin10001110000010100101…
…010001111101000001011
311022122100002000101100011
4101300110222033220023
5124442300014033233
62332303020452351
7154102434122134
oct21602452175013
94278302011304
101220117330443
114304a3474220
121785729aa0b7
138b09739342b
14430a8232c8b
1521b10dd10cd
hex11c14a8fa0b

1220117330443 has 16 divisors (see below), whose sum is σ = 1352038003200. Its totient is φ = 1091748985600.

The previous prime is 1220117330417. The next prime is 1220117330473. The reversal of 1220117330443 is 3440337110221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1220117330443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220117330473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 836230 + ... + 1771867.

It is an arithmetic number, because the mean of its divisors is an integer number (84502375200).

Almost surely, 21220117330443 is an apocalyptic number.

1220117330443 is a deficient number, since it is larger than the sum of its proper divisors (131920672757).

1220117330443 is a wasteful number, since it uses less digits than its factorization.

1220117330443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608778.

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 1220117330443 in words is "one trillion, two hundred twenty billion, one hundred seventeen million, three hundred thirty thousand, four hundred forty-three".

Divisors: 1 11 71 599 781 6589 42529 467819 2608097 28689067 185174887 1562250103 2036923757 17184751133 110919757313 1220117330443