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12951471033 = 3270910611913
BaseRepresentation
bin11000000111111011…
…11100001110111001
31020102121110220020100
430003331330032321
5203011034033113
65541054550013
7635643454524
oct140375741671
936377426210
1012951471033
115546849976
122615508309
1312b5310037
148ac135bbb
1550c067d73
hex303f7c3b9

12951471033 has 24 divisors (see below), whose sum is σ = 18761525640. Its totient is φ = 8609506560.

The previous prime is 12951470999. The next prime is 12951471041. The reversal of 12951471033 is 33017415921.

12951471033 is a `hidden beast` number, since 129 + 514 + 7 + 10 + 3 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2723587344 + 10227883689 = 52188^2 + 101133^2 .

It is not a de Polignac number, because 12951471033 - 222 = 12947276729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12951471433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6769285 + ... + 6771197.

It is an arithmetic number, because the mean of its divisors is an integer number (781730235).

Almost surely, 212951471033 is an apocalyptic number.

It is an amenable number.

12951471033 is a deficient number, since it is larger than the sum of its proper divisors (5810054607).

12951471033 is a wasteful number, since it uses less digits than its factorization.

12951471033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3689 (or 3686 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

Adding to 12951471033 its reverse (33017415921), we get a palindrome (45968886954).

The spelling of 12951471033 in words is "twelve billion, nine hundred fifty-one million, four hundred seventy-one thousand, thirty-three".

Divisors: 1 3 9 709 1061 1913 2127 3183 5739 6381 9549 17217 752249 1356317 2029693 2256747 4068951 6089079 6770241 12206853 18267237 1439052337 4317157011 12951471033