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47446943712 = 253770605571
BaseRepresentation
bin101100001100000011…
…101110011111100000
311112110122210110210120
4230030003232133200
51234132404144322
633444040400240
73266531236650
oct541403563740
9145418713716
1047446943712
1119138621083
129241a76080
134621b5502c
14242162c360
15137a688a5c
hexb0c0ee7e0

47446943712 has 48 divisors (see below), whose sum is σ = 142340833152. Its totient is φ = 13556269440.

The previous prime is 47446943711. The next prime is 47446943743. The reversal of 47446943712 is 21734964474.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47446943711) 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 7 ways as a sum of consecutive naturals, for example, 35302114 + ... + 35303457.

It is an arithmetic number, because the mean of its divisors is an integer number (2965434024).

Almost surely, 247446943712 is an apocalyptic number.

47446943712 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

47446943712 is an abundant number, since it is smaller than the sum of its proper divisors (94893889440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47446943712 is a wasteful number, since it uses less digits than its factorization.

47446943712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70605591 (or 70605583 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 51.

The spelling of 47446943712 in words is "forty-seven billion, four hundred forty-six million, nine hundred forty-three thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 70605571 141211142 211816713 282422284 423633426 494238997 564844568 847266852 988477994 1129689136 1482716991 1694533704 1976955988 2259378272 2965433982 3389067408 3953911976 5930867964 6778134816 7907823952 11861735928 15815647904 23723471856 47446943712