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47408019850 = 2521755774141
BaseRepresentation
bin101100001001101111…
…001111100110001010
311112100221112221022001
4230021233033212022
51234042423113400
633440130221214
73265546343212
oct541157174612
9145327487261
1047408019850
1119118655aa4
129230a2480a
134616a77269
14241a3b9242
15137704aa6a
hexb09bcf98a

47408019850 has 24 divisors (see below), whose sum is σ = 93365913708. Its totient is φ = 17847724800.

The previous prime is 47408019829. The next prime is 47408019851. The reversal of 47408019850 is 5891080474.

It can be written as a sum of positive squares in 6 ways, for example, as 18823016809 + 28585003041 = 137197^2 + 169071^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47408019850.

It is not an unprimeable number, because it can be changed into a prime (47408019851) 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 11 ways as a sum of consecutive naturals, for example, 27886221 + ... + 27887920.

Almost surely, 247408019850 is an apocalyptic number.

47408019850 is a deficient number, since it is larger than the sum of its proper divisors (45957893858).

47408019850 is a wasteful number, since it uses less digits than its factorization.

47408019850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55774170 (or 55774165 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 47408019850 in words is "forty-seven billion, four hundred eight million, nineteen thousand, eight hundred fifty".

Divisors: 1 2 5 10 17 25 34 50 85 170 425 850 55774141 111548282 278870705 557741410 948160397 1394353525 1896320794 2788707050 4740801985 9481603970 23704009925 47408019850