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47721083704145 = 5711150311686133
BaseRepresentation
bin10101101100110111011100…
…01111100001001101010001
320020222002110101002112021222
422312123232033201031101
522223330234412013040
6245254432504054425
713023506640466535
oct1266335617411521
9206862411075258
1047721083704145
1114229441734a95
1254287ba464415
1320821044011b7
14bad9d9bd7bc5
1557b505456bb5
hex2b66ee3e1351

47721083704145 has 16 divisors (see below), whose sum is σ = 58076907351552. Its totient is φ = 37635889273920.

The previous prime is 47721083704079. The next prime is 47721083704157. The reversal of 47721083704145 is 54140738012774.

It is not a de Polignac number, because 47721083704145 - 218 = 47721083442001 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1759502 + ... + 9926631.

It is an arithmetic number, because the mean of its divisors is an integer number (3629806709472).

Almost surely, 247721083704145 is an apocalyptic number.

It is an amenable number.

47721083704145 is a deficient number, since it is larger than the sum of its proper divisors (10355823647407).

47721083704145 is a wasteful number, since it uses less digits than its factorization.

47721083704145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11697712.

The product of its (nonzero) digits is 5268480, while the sum is 53.

The spelling of 47721083704145 in words is "forty-seven trillion, seven hundred twenty-one billion, eighty-three million, seven hundred four thousand, one hundred forty-five".

Divisors: 1 5 71 355 11503 57515 816713 4083565 11686133 58430665 829715443 4148577215 134425587899 672127939495 9544216740829 47721083704145