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47605489309 = 723704341983
BaseRepresentation
bin101100010101100000…
…100001111010011101
311112212201010102110201
4230111200201322131
51234444001124214
633511502503501
73303464661010
oct542540417235
9145781112421
1047605489309
111920a06a7a4
129286b94b91
1346489567b1
1424386dd377
151389555274
hexb15821e9d

47605489309 has 16 divisors (see below), whose sum is σ = 56781176832. Its totient is φ = 39024116208.

The previous prime is 47605489247. The next prime is 47605489333. The reversal of 47605489309 is 90398450674.

It is not a de Polignac number, because 47605489309 - 29 = 47605488797 is a prime.

It is a super-2 number, since 2×476054893092 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47605489309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47605489409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1112932 + ... + 1154914.

It is an arithmetic number, because the mean of its divisors is an integer number (3548823552).

Almost surely, 247605489309 is an apocalyptic number.

It is an amenable number.

47605489309 is a deficient number, since it is larger than the sum of its proper divisors (9175687523).

47605489309 is a wasteful number, since it uses less digits than its factorization.

47605489309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49056.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 47605489309 in words is "forty-seven billion, six hundred five million, four hundred eighty-nine thousand, three hundred nine".

Divisors: 1 7 23 161 7043 41983 49301 161989 293881 965609 1133923 6759263 295686269 2069803883 6800784187 47605489309