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47289885137 = 1121983924517
BaseRepresentation
bin101100000010101100…
…100110000111010001
311112001201021001221022
4230002230212013101
51233322202311022
633420310205225
73262613251145
oct540254460721
9145051231838
1047289885137
11190679a8700
1291b9353815
1345c8454371
142408827225
15136b9b2c42
hexb02b261d1

47289885137 has 24 divisors (see below), whose sum is σ = 54783019200. Its totient is φ = 40677927840.

The previous prime is 47289885121. The next prime is 47289885151. The reversal of 47289885137 is 73158898274.

It is not a de Polignac number, because 47289885137 - 24 = 47289885121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47289885137.

It is not an unprimeable number, because it can be changed into a prime (47289885157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1916603 + ... + 1941119.

It is an arithmetic number, because the mean of its divisors is an integer number (2282625800).

Almost surely, 247289885137 is an apocalyptic number.

It is an amenable number.

47289885137 is a deficient number, since it is larger than the sum of its proper divisors (7493134063).

47289885137 is a wasteful number, since it uses less digits than its factorization.

47289885137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25397 (or 25386 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 62.

The spelling of 47289885137 in words is "forty-seven billion, two hundred eighty-nine million, eight hundred eighty-five thousand, one hundred thirty-seven".

Divisors: 1 11 19 121 209 839 2299 9229 15941 24517 101519 175351 269687 465823 1928861 2966557 5124053 20569763 56364583 226267393 390825497 2488941323 4299080467 47289885137