Base | Representation |
---|---|
bin | 1110111001001101… |
… | …00110010101000001 |
3 | 202122021000121110021 |
4 | 13130212212111001 |
5 | 112333443321111 |
6 | 3401235333441 |
7 | 402102334000 |
oct | 73446462501 |
9 | 22567017407 |
10 | 7996073281 |
11 | 3433636229 |
12 | 1671a51281 |
13 | 9a5799a11 |
14 | 55bd64c37 |
15 | 31bec1d71 |
hex | 1dc9a6541 |
7996073281 has 16 divisors (see below), whose sum is σ = 9332208000. Its totient is φ = 6848381904.
The previous prime is 7996073279. The next prime is 7996073287. The reversal of 7996073281 is 1823706997.
7996073281 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 7996073281 - 21 = 7996073279 is a prime.
It is a super-2 number, since 2×79960732812 (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 (7996073287) 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, 462450 + ... + 479428.
It is an arithmetic number, because the mean of its divisors is an integer number (583263000).
Almost surely, 27996073281 is an apocalyptic number.
It is an amenable number.
7996073281 is a deficient number, since it is larger than the sum of its proper divisors (1336134719).
7996073281 is a wasteful number, since it uses less digits than its factorization.
7996073281 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18373 (or 18359 counting only the distinct ones).
The product of its (nonzero) digits is 1143072, while the sum is 52.
The square root of 7996073281 is about 89420.7653791892. The cubic root of 7996073281 is about 1999.6727198634.
The spelling of 7996073281 in words is "seven billion, nine hundred ninety-six million, seventy-three thousand, two hundred eighty-one".
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