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17316010381993 = 31754624638429
BaseRepresentation
bin1111101111111011001010…
…1001011101001010101001
32021022101122112110221011121
43323332302221131022221
54232201142124210433
6100454510525455241
73435016610500531
oct373766251351251
967271575427147
1017316010381993
115576751484614
121b37b60a11521
13987b7b56235b
1443c15697c4c1
15200668697c2d
hexfbfb2a5d2a9

17316010381993 has 4 divisors (see below), whose sum is σ = 17370635020740. Its totient is φ = 17261385743248.

The previous prime is 17316010381919. The next prime is 17316010381997. The reversal of 17316010381993 is 39918301061371.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4424952052249 + 12891058329744 = 2103557^2 + 3590412^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-17316010381993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 17316010381993.

It is not an unprimeable number, because it can be changed into a prime (17316010381997) 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, 27312318898 + ... + 27312319531.

It is an arithmetic number, because the mean of its divisors is an integer number (4342658755185).

Almost surely, 217316010381993 is an apocalyptic number.

It is an amenable number.

17316010381993 is a deficient number, since it is larger than the sum of its proper divisors (54624638747).

17316010381993 is an equidigital number, since it uses as much as digits as its factorization.

17316010381993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54624638746.

The product of its (nonzero) digits is 734832, while the sum is 52.

The spelling of 17316010381993 in words is "seventeen trillion, three hundred sixteen billion, ten million, three hundred eighty-one thousand, nine hundred ninety-three".

Divisors: 1 317 54624638429 17316010381993