Base | Representation |
---|---|
bin | 100101011000000000… |
… | …0111100111111011001 |
3 | 21200011121221222022100 |
4 | 1022300000330333121 |
5 | 2303334141414121 |
6 | 100512210514013 |
7 | 5540656402224 |
oct | 1126000747731 |
9 | 250147858270 |
10 | 80262451161 |
11 | 31048074572 |
12 | 1367b895909 |
13 | 7751616969 |
14 | 3c559765bb |
15 | 214b562026 |
hex | 12b003cfd9 |
80262451161 has 12 divisors (see below), whose sum is σ = 115959898288. Its totient is φ = 53496648504.
The previous prime is 80262451151. The next prime is 80262451183. The reversal of 80262451161 is 16115426208.
It is a happy number.
80262451161 is a `hidden beast` number, since 80 + 2 + 6 + 2 + 4 + 511 + 61 = 666.
It is not a de Polignac number, because 80262451161 - 26 = 80262451097 is a prime.
It is a super-2 number, since 2×802624511612 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80262451121) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 927295 + ... + 1010148.
Almost surely, 280262451161 is an apocalyptic number.
It is an amenable number.
80262451161 is a deficient number, since it is larger than the sum of its proper divisors (35697447127).
80262451161 is a wasteful number, since it uses less digits than its factorization.
80262451161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1942052 (or 1942049 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 36.
Adding to 80262451161 its reverse (16115426208), we get a palindrome (96377877369).
The spelling of 80262451161 in words is "eighty billion, two hundred sixty-two million, four hundred fifty-one thousand, one hundred sixty-one".
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