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17208894313 = 132313284767
BaseRepresentation
bin10000000001101110…
…101110001101101001
31122102022120102001001
4100001232232031221
5240220434104223
611523342155001
71146311121352
oct200156561551
948368512031
1017208894313
117330a77006
123403282a61
131813372c00
14b93738d29
156aabdb9ad
hex401bae369

17208894313 has 12 divisors (see below), whose sum is σ = 19235601408. Its totient is φ = 15372704880.

The previous prime is 17208894277. The next prime is 17208894341. The reversal of 17208894313 is 31349880271.

It is a de Polignac number, because none of the positive numbers 2k-17208894313 is a prime.

It is a super-2 number, since 2×172088943132 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17208895313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1637145 + ... + 1647622.

It is an arithmetic number, because the mean of its divisors is an integer number (1602966784).

Almost surely, 217208894313 is an apocalyptic number.

17208894313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

17208894313 is a deficient number, since it is larger than the sum of its proper divisors (2026707095).

17208894313 is a wasteful number, since it uses less digits than its factorization.

17208894313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3284824 (or 3284811 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 17208894313 in words is "seventeen billion, two hundred eight million, eight hundred ninety-four thousand, three hundred thirteen".

Divisors: 1 13 31 169 403 5239 3284767 42701971 101827777 555125623 1323761101 17208894313