Base | Representation |
---|---|
bin | 1110110111010111… |
… | …10000011001111000 |
3 | 202121011222221000122 |
4 | 13123223300121320 |
5 | 112321021214211 |
6 | 3355524552412 |
7 | 401524250333 |
oct | 73353603170 |
9 | 22534887018 |
10 | 7980648056 |
11 | 3425960007 |
12 | 1668852708 |
13 | 9a2528974 |
14 | 559cab61a |
15 | 31a9766db |
hex | 1dbaf0678 |
7980648056 has 16 divisors (see below), whose sum is σ = 15209022840. Its totient is φ = 3924908640.
The previous prime is 7980648043. The next prime is 7980648059. The reversal of 7980648056 is 6508460897.
It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 7980647989 and 7980648007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7980648059) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8176406 + ... + 8177381.
Almost surely, 27980648056 is an apocalyptic number.
It is an amenable number.
7980648056 is a deficient number, since it is larger than the sum of its proper divisors (7228374784).
7980648056 is a wasteful number, since it uses less digits than its factorization.
7980648056 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16353854 (or 16353850 counting only the distinct ones).
The product of its (nonzero) digits is 2903040, while the sum is 53.
The square root of 7980648056 is about 89334.4729429799. The cubic root of 7980648056 is about 1998.3860359103.
The spelling of 7980648056 in words is "seven billion, nine hundred eighty million, six hundred forty-eight thousand, fifty-six".
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