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47215323105 = 3523672042627
BaseRepresentation
bin101011111110010000…
…001010011111100001
311111212111221221001120
4223332100022133201
51233144110314410
633405044122453
73261016424136
oct537620123741
9144774857046
1047215323105
1119029901095
129198396429
1345b5b79212
1423dc97858d
151365185570
hexafe40a7e1

47215323105 has 32 divisors (see below), whose sum is σ = 80005653504. Its totient is φ = 23727143616.

The previous prime is 47215323101. The next prime is 47215323119. The reversal of 47215323105 is 50132351274.

It is not a de Polignac number, because 47215323105 - 22 = 47215323101 is a prime.

It is a super-3 number, since 3×472153231053 (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (47215323101) 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 31 ways as a sum of consecutive naturals, for example, 998199 + ... + 1044428.

It is an arithmetic number, because the mean of its divisors is an integer number (2500176672).

Almost surely, 247215323105 is an apocalyptic number.

It is an amenable number.

47215323105 is a deficient number, since it is larger than the sum of its proper divisors (32790330399).

47215323105 is a wasteful number, since it uses less digits than its factorization.

47215323105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042725.

The product of its (nonzero) digits is 25200, while the sum is 33.

Adding to 47215323105 its reverse (50132351274), we get a palindrome (97347674379).

The spelling of 47215323105 in words is "forty-seven billion, two hundred fifteen million, three hundred twenty-three thousand, one hundred five".

Divisors: 1 3 5 15 23 67 69 115 201 335 345 1005 1541 4623 7705 23115 2042627 6127881 10213135 30639405 46980421 136856009 140941263 234902105 410568027 684280045 704706315 2052840135 3147688207 9443064621 15738441035 47215323105