Base | Representation |
---|---|
bin | 11110000110100110… |
… | …00111100111111011 |
3 | 1112201022122210022221 |
4 | 33003103013213323 |
5 | 231044314032341 |
6 | 11231404224511 |
7 | 1111332144112 |
oct | 170323074773 |
9 | 45638583287 |
10 | 16161470971 |
11 | 6943802388 |
12 | 317053b137 |
13 | 16a7370399 |
14 | ad45a4c79 |
15 | 648c8ded1 |
hex | 3c34c79fb |
16161470971 has 8 divisors (see below), whose sum is σ = 17263582704. Its totient is φ = 15076185600.
The previous prime is 16161470951. The next prime is 16161470999. The reversal of 16161470971 is 17907416161.
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 16161470971 - 211 = 16161468923 is a prime.
It is a super-2 number, since 2×161614709712 (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 (16161470951) 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, 4204605 + ... + 4208446.
It is an arithmetic number, because the mean of its divisors is an integer number (2157947838).
Almost surely, 216161470971 is an apocalyptic number.
16161470971 is a deficient number, since it is larger than the sum of its proper divisors (1102111733).
16161470971 is a wasteful number, since it uses less digits than its factorization.
16161470971 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8413181.
The product of its (nonzero) digits is 63504, while the sum is 43.
The spelling of 16161470971 in words is "sixteen billion, one hundred sixty-one million, four hundred seventy thousand, nine hundred seventy-one".
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