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47485230911 = 239721284281
BaseRepresentation
bin101100001110010101…
…110001111100111111
311112120022211122221222
4230032111301330333
51234222204342121
633451525143555
73300504542306
oct541625617477
9145508748858
1047485230911
11191581a1898
12925285abbb
134629a6c091
14242675743d
15137dbed0ab
hexb0e571f3f

47485230911 has 8 divisors (see below), whose sum is σ = 50060631264. Its totient is φ = 44952399360.

The previous prime is 47485230823. The next prime is 47485230913. The reversal of 47485230911 is 11903258474.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47485230911 - 214 = 47485214527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47485230913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10639910 + ... + 10644371.

It is an arithmetic number, because the mean of its divisors is an integer number (6257578908).

Almost surely, 247485230911 is an apocalyptic number.

47485230911 is a deficient number, since it is larger than the sum of its proper divisors (2575400353).

47485230911 is a wasteful number, since it uses less digits than its factorization.

47485230911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21284401.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 47485230911 in words is "forty-seven billion, four hundred eighty-five million, two hundred thirty thousand, nine hundred eleven".

Divisors: 1 23 97 2231 21284281 489538463 2064575257 47485230911