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11919441669 = 331126714783
BaseRepresentation
bin10110001100111010…
…00011111100000101
31010202200112101002120
423012131003330011
5143402334113134
65250431000153
7601242403542
oct130635037405
933680471076
1011919441669
115067239a43
122387969059
13117c56a285
1481104bbc9
1549b65b649
hex2c6743f05

11919441669 has 16 divisors (see below), whose sum is σ = 15952994304. Its totient is φ = 7916122800.

The previous prime is 11919441661. The next prime is 11919441671. The reversal of 11919441669 is 96614491911.

11919441669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11919441669 - 23 = 11919441661 is a prime.

It is a super-2 number, since 2×119194416692 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11919441661) 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, 2489652 + ... + 2494434.

It is an arithmetic number, because the mean of its divisors is an integer number (997062144).

Almost surely, 211919441669 is an apocalyptic number.

It is an amenable number.

11919441669 is a deficient number, since it is larger than the sum of its proper divisors (4033552635).

11919441669 is a wasteful number, since it uses less digits than its factorization.

11919441669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7768.

The product of its digits is 419904, while the sum is 51.

The spelling of 11919441669 in words is "eleven billion, nine hundred nineteen million, four hundred forty-one thousand, six hundred sixty-nine".

Divisors: 1 3 311 933 2671 4783 8013 14349 830681 1487513 2492043 4462539 12775393 38326179 3973147223 11919441669