Base | Representation |
---|---|
bin | 1111110100010101111111… |
… | …0111100001001101011101 |
3 | 2021120122121120110110021112 |
4 | 3331011133313201031131 |
5 | 4234422133312032343 |
6 | 100553424235311405 |
7 | 3443345156034536 |
oct | 375053767411535 |
9 | 67518546413245 |
10 | 17391930970973 |
11 | 55a5970698829 |
12 | 1b4a80a5ab565 |
13 | 99208a4904a0 |
14 | 441ab9a1168d |
15 | 20260d957218 |
hex | fd15fde135d |
17391930970973 has 16 divisors (see below), whose sum is σ = 18744931563456. Its totient is φ = 16041100083840.
The previous prime is 17391930970943. The next prime is 17391930971003. The reversal of 17391930970973 is 37907903919371.
It is an interprime number because it is at equal distance from previous prime (17391930970943) and next prime (17391930971003).
It is not a de Polignac number, because 17391930970973 - 212 = 17391930966877 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (17391930970943) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107861390 + ... + 108022512.
It is an arithmetic number, because the mean of its divisors is an integer number (1171558222716).
Almost surely, 217391930970973 is an apocalyptic number.
17391930970973 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
17391930970973 is a deficient number, since it is larger than the sum of its proper divisors (1353000592483).
17391930970973 is a wasteful number, since it uses less digits than its factorization.
17391930970973 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 167804.
The product of its (nonzero) digits is 60761421, while the sum is 68.
The spelling of 17391930970973 in words is "seventeen trillion, three hundred ninety-one billion, nine hundred thirty million, nine hundred seventy thousand, nine hundred seventy-three".
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