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11868668479 = 41972984327
BaseRepresentation
bin10110000110110110…
…11000001000111111
31010122010222211101001
423003123120020333
5143301334342404
65241414431131
7600055006003
oct130333301077
933563884331
1011868668479
115040610328
1223729624a7
131171ba0c75
148083d2703
15496e7c7a4
hex2c36d823f

11868668479 has 8 divisors (see below), whose sum is σ = 12283494048. Its totient is φ = 11459811840.

The previous prime is 11868668453. The next prime is 11868668491. The reversal of 11868668479 is 97486686811.

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 11868668479 - 211 = 11868666431 is a prime.

It is a super-3 number, since 3×118686684793 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11868668479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11868668429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1488187 + ... + 1496140.

It is an arithmetic number, because the mean of its divisors is an integer number (1535436756).

Almost surely, 211868668479 is an apocalyptic number.

11868668479 is a deficient number, since it is larger than the sum of its proper divisors (414825569).

11868668479 is an equidigital number, since it uses as much as digits as its factorization.

11868668479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2984465.

The product of its digits is 27869184, while the sum is 64.

The spelling of 11868668479 in words is "eleven billion, eight hundred sixty-eight million, six hundred sixty-eight thousand, four hundred seventy-nine".

Divisors: 1 41 97 3977 2984327 122357407 289479719 11868668479