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14221579669 = 117118209449
BaseRepresentation
bin11010011111010110…
…00001010110010101
31100201010102002201221
431033223001112111
5213111211022134
610311105450341
71012265301253
oct151753012625
940633362657
1014221579669
116038790330
12290a9409b1
1314584b05cb
1498cab55d3
155838015b4
hex34fac1595

14221579669 has 8 divisors (see below), whose sum is σ = 15732964800. Its totient is φ = 12746613600.

The previous prime is 14221579651. The next prime is 14221579679. The reversal of 14221579669 is 96697512241.

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 14221579669 - 217 = 14221448597 is a prime.

It is a super-2 number, since 2×142215796692 (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 (14221579679) 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, 9103944 + ... + 9105505.

It is an arithmetic number, because the mean of its divisors is an integer number (1966620600).

Almost surely, 214221579669 is an apocalyptic number.

It is an amenable number.

14221579669 is a deficient number, since it is larger than the sum of its proper divisors (1511385131).

14221579669 is a wasteful number, since it uses less digits than its factorization.

14221579669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18209531.

The product of its digits is 1632960, while the sum is 52.

The spelling of 14221579669 in words is "fourteen billion, two hundred twenty-one million, five hundred seventy-nine thousand, six hundred sixty-nine".

Divisors: 1 11 71 781 18209449 200303939 1292870879 14221579669