Base | Representation |
---|---|
bin | 1001001011010… |
… | …01111111110101 |
3 | 12100212000000000 |
4 | 10211221333311 |
5 | 124201331323 |
6 | 11345541513 |
7 | 1623215052 |
oct | 445517765 |
9 | 170760000 |
10 | 76980213 |
11 | 3a4a9412 |
12 | 21944899 |
13 | 12c43a2b |
14 | a31c029 |
15 | 6b58e43 |
hex | 4969ff5 |
76980213 has 20 divisors (see below), whose sum is σ = 115497888. Its totient is φ = 51307020.
The previous prime is 76980209. The next prime is 76980217. The reversal of 76980213 is 31208967.
It is an interprime number because it is at equal distance from previous prime (76980209) and next prime (76980217).
It is not a de Polignac number, because 76980213 - 22 = 76980209 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (76980217) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17728 + ... + 21638.
Almost surely, 276980213 is an apocalyptic number.
It is an amenable number.
76980213 is a deficient number, since it is larger than the sum of its proper divisors (38517675).
76980213 is an frugal number, since it uses more digits than its factorization.
76980213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3938 (or 3914 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 76980213 is about 8773.8368459871. The cubic root of 76980213 is about 425.3956417242.
The spelling of 76980213 in words is "seventy-six million, nine hundred eighty thousand, two hundred thirteen".
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