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11840023669 = 531204118553
BaseRepresentation
bin10110000011011100…
…00110110001110101
31010120011002112002011
423001232012301311
5143222021224134
65234512444221
7566256353305
oct130156066165
933504075064
1011840023669
115026426031
122365249671
131168c81a86
14804697605
154946c0264
hex2c1b86c75

11840023669 has 8 divisors (see below), whose sum is σ = 12065072472. Its totient is φ = 11615036160.

The previous prime is 11840023661. The next prime is 11840023673. The reversal of 11840023669 is 96632004811.

11840023669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1119906225 + 10720117444 = 33465^2 + 103538^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11840023669 - 23 = 11840023661 is a prime.

It is a super-2 number, since 2×118400236692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11840023661) 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 7 ways as a sum of consecutive naturals, for example, 628897 + ... + 647449.

It is an arithmetic number, because the mean of its divisors is an integer number (1508134059).

Almost surely, 211840023669 is an apocalyptic number.

It is an amenable number.

11840023669 is a deficient number, since it is larger than the sum of its proper divisors (225048803).

11840023669 is a wasteful number, since it uses less digits than its factorization.

11840023669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30647.

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 11840023669 in words is "eleven billion, eight hundred forty million, twenty-three thousand, six hundred sixty-nine".

Divisors: 1 53 12041 18553 638173 983309 223396673 11840023669