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47051251011 = 3222355742089
BaseRepresentation
bin101011110100011110…
…010001110101000011
311111110002020012110100
4223310132101311003
51232330110013021
633340503333443
73253655014632
oct536436216503
9144402205410
1047051251011
1118a55228316
129151451283
13458ab9113b
1423c4c69519
151355a76626
hexaf4791d43

47051251011 has 24 divisors (see below), whose sum is σ = 68391872640. Its totient is φ = 31170036096.

The previous prime is 47051250991. The next prime is 47051251019. The reversal of 47051251011 is 11015215074.

47051251011 is a `hidden beast` number, since 47 + 0 + 512 + 5 + 101 + 1 = 666.

It is not a de Polignac number, because 47051251011 - 25 = 47051250979 is a prime.

It is a super-3 number, since 3×470512510113 (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (47051251019) 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 23 ways as a sum of consecutive naturals, for example, 1096855 + ... + 1138943.

It is an arithmetic number, because the mean of its divisors is an integer number (2849661360).

Almost surely, 247051251011 is an apocalyptic number.

47051251011 is a deficient number, since it is larger than the sum of its proper divisors (21340621629).

47051251011 is a wasteful number, since it uses less digits than its factorization.

47051251011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42875 (or 42872 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

Adding to 47051251011 its reverse (11015215074), we get a palindrome (58066466085).

The spelling of 47051251011 in words is "forty-seven billion, fifty-one million, two hundred fifty-one thousand, eleven".

Divisors: 1 3 9 223 557 669 1671 2007 5013 42089 124211 126267 372633 378801 1117899 9385847 23443573 28157541 70330719 84472623 210992157 5227916779 15683750337 47051251011