Base | Representation |
---|---|
bin | 10000010010011111… |
… | …011101001000110001 |
3 | 1200010220201101102021 |
4 | 100102133131020301 |
5 | 241304431324011 |
6 | 12011305351441 |
7 | 1156264303264 |
oct | 202237351061 |
9 | 50126641367 |
10 | 17490104881 |
11 | 7465787737 |
12 | 3481498581 |
13 | 18596c25b2 |
14 | bbcc1acdb |
15 | 6c5738471 |
hex | 4127dd231 |
17490104881 has 8 divisors (see below), whose sum is σ = 17630791200. Its totient is φ = 17349527520.
The previous prime is 17490104867. The next prime is 17490104893. The reversal of 17490104881 is 18840109471.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 17490104881 - 29 = 17490104369 is a prime.
It is a super-2 number, since 2×174901048812 (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 (17490104381) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311965 + ... + 363733.
It is an arithmetic number, because the mean of its divisors is an integer number (2203848900).
Almost surely, 217490104881 is an apocalyptic number.
It is an amenable number.
17490104881 is a deficient number, since it is larger than the sum of its proper divisors (140686319).
17490104881 is a wasteful number, since it uses less digits than its factorization.
17490104881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54479.
The product of its (nonzero) digits is 64512, while the sum is 43.
The spelling of 17490104881 in words is "seventeen billion, four hundred ninety million, one hundred four thousand, eight hundred eighty-one".
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