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17240217052 = 2217921240503
BaseRepresentation
bin10000000011100110…
…001101010111011100
31122111111111202202111
4100003212031113130
5240301443421202
611530421403404
71150141266322
oct200346152734
948444452674
1017240217052
117347720273
123411869564
1318199bbc86
14b9796dd12
156ad8276d7
hex40398d5dc

17240217052 has 12 divisors (see below), whose sum is σ = 30172188816. Its totient is φ = 8619591680.

The previous prime is 17240217037. The next prime is 17240217053. The reversal of 17240217052 is 25071204271.

It is a super-3 number, since 3×172402170523 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17240217053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48568 + ... + 191935.

It is an arithmetic number, because the mean of its divisors is an integer number (2514349068).

Almost surely, 217240217052 is an apocalyptic number.

It is an amenable number.

17240217052 is a deficient number, since it is larger than the sum of its proper divisors (12931971764).

17240217052 is a wasteful number, since it uses less digits than its factorization.

17240217052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258428 (or 258426 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 31.

The spelling of 17240217052 in words is "seventeen billion, two hundred forty million, two hundred seventeen thousand, fifty-two".

Divisors: 1 2 4 17921 35842 71684 240503 481006 962012 4310054263 8620108526 17240217052