Base | Representation |
---|---|
bin | 1111110010111011… |
… | …11100001101001101 |
3 | 210220000021001102122 |
4 | 13321131330031031 |
5 | 114331431432421 |
6 | 3521255102325 |
7 | 420102503444 |
oct | 77135741515 |
9 | 23800231378 |
10 | 8480342861 |
11 | 3661a29121 |
12 | 17880719a5 |
13 | a51c04b73 |
14 | 5a63c3d5b |
15 | 34977e2ab |
hex | 1f977c34d |
8480342861 has 4 divisors (see below), whose sum is σ = 8536504224. Its totient is φ = 8424181500.
The previous prime is 8480342797. The next prime is 8480342867. The reversal of 8480342861 is 1682430848.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 8480342861 - 26 = 8480342797 is a prime.
It is a super-2 number, since 2×84803428612 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8480342867) 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, 28080455 + ... + 28080756.
It is an arithmetic number, because the mean of its divisors is an integer number (2134126056).
Almost surely, 28480342861 is an apocalyptic number.
It is an amenable number.
8480342861 is a deficient number, since it is larger than the sum of its proper divisors (56161363).
8480342861 is a wasteful number, since it uses less digits than its factorization.
8480342861 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56161362.
The product of its (nonzero) digits is 294912, while the sum is 44.
The square root of 8480342861 is about 92088.7770632231. Note that the first 3 decimals coincide. The cubic root of 8480342861 is about 2039.2531276086.
The spelling of 8480342861 in words is "eight billion, four hundred eighty million, three hundred forty-two thousand, eight hundred sixty-one".
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