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47889363289 = 431113706123
BaseRepresentation
bin101100100110011011…
…011011000101011001
311120121111021201100211
4230212123123011121
51241034134111124
634000003131121
73313512604645
oct544633330531
9146544251324
1047889363289
111934532a499
129346073aa1
1346926c9571
1424642b5c25
1513a442ae94
hexb266db159

47889363289 has 4 divisors (see below), whose sum is σ = 49003069456. Its totient is φ = 46775657124.

The previous prime is 47889363229. The next prime is 47889363293. The reversal of 47889363289 is 98236398874.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98236398874 = 249118199437.

It is a cyclic number.

It is not a de Polignac number, because 47889363289 - 221 = 47887266137 is a prime.

It is a super-2 number, since 2×478893632892 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47889363229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556853019 + ... + 556853104.

It is an arithmetic number, because the mean of its divisors is an integer number (12250767364).

Almost surely, 247889363289 is an apocalyptic number.

It is an amenable number.

47889363289 is a deficient number, since it is larger than the sum of its proper divisors (1113706167).

47889363289 is a wasteful number, since it uses less digits than its factorization.

47889363289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113706166.

The product of its digits is 125411328, while the sum is 67.

The spelling of 47889363289 in words is "forty-seven billion, eight hundred eighty-nine million, three hundred sixty-three thousand, two hundred eighty-nine".

Divisors: 1 43 1113706123 47889363289