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14228865839 = 124511142789
BaseRepresentation
bin11010100000001101…
…10100001100101111
31100201122010021111002
431100012310030233
5213120042201324
610311525550515
71012414235606
oct152006641457
940648107432
1014228865839
116041907561
12291127543b
131459b61b56
1498da50a3d
155842903ae
hex3501b432f

14228865839 has 4 divisors (see below), whose sum is σ = 14230021080. Its totient is φ = 14227710600.

The previous prime is 14228865823. The next prime is 14228865841. The reversal of 14228865839 is 93856882241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14228865839 - 24 = 14228865823 is a prime.

It is a super-2 number, since 2×142288658392 (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 (14228865899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558944 + ... + 583845.

It is an arithmetic number, because the mean of its divisors is an integer number (3557505270).

Almost surely, 214228865839 is an apocalyptic number.

14228865839 is a deficient number, since it is larger than the sum of its proper divisors (1155241).

14228865839 is a wasteful number, since it uses less digits than its factorization.

14228865839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155240.

The product of its digits is 6635520, while the sum is 56.

The spelling of 14228865839 in words is "fourteen billion, two hundred twenty-eight million, eight hundred sixty-five thousand, eight hundred thirty-nine".

Divisors: 1 12451 1142789 14228865839