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14278747285 = 5111913663873
BaseRepresentation
bin11010100110001010…
…00110010010010101
31100212002222111222001
431103011012102111
5213220324403120
610320511035301
71013561230555
oct152305062225
940762874861
1014278747285
116067a871a0
122925b0bb31
1314672a82ba
14996517165
15588844e0a
hex353146495

14278747285 has 16 divisors (see below), whose sum is σ = 19675978560. Its totient is φ = 9837987840.

The previous prime is 14278747283. The next prime is 14278747303. The reversal of 14278747285 is 58274787241.

It is not a de Polignac number, because 14278747285 - 21 = 14278747283 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14278747283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6830892 + ... + 6832981.

It is an arithmetic number, because the mean of its divisors is an integer number (1229748660).

Almost surely, 214278747285 is an apocalyptic number.

It is an amenable number.

14278747285 is a deficient number, since it is larger than the sum of its proper divisors (5397231275).

14278747285 is a wasteful number, since it uses less digits than its factorization.

14278747285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13663908.

The product of its digits is 7024640, while the sum is 55.

The spelling of 14278747285 in words is "fourteen billion, two hundred seventy-eight million, seven hundred forty-seven thousand, two hundred eighty-five".

Divisors: 1 5 11 19 55 95 209 1045 13663873 68319365 150302603 259613587 751513015 1298067935 2855749457 14278747285