Base | Representation |
---|---|
bin | 100101011000110010… |
… | …1010001001000000101 |
3 | 21200020110102222211201 |
4 | 1022301211101020011 |
5 | 2303412404414122 |
6 | 100514550302501 |
7 | 5541426045421 |
oct | 1126145211005 |
9 | 250213388751 |
10 | 80288748037 |
11 | 310609a5823 |
12 | 13688657a31 |
13 | 7756bc3244 |
14 | 3c5925db81 |
15 | 214da08a27 |
hex | 12b1951205 |
80288748037 has 2 divisors, whose sum is σ = 80288748038. Its totient is φ = 80288748036.
The previous prime is 80288748019. The next prime is 80288748073. The reversal of 80288748037 is 73084788208.
It is a happy number.
Together with next prime (80288748073) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 64785011841 + 15503736196 = 254529^2 + 124514^2 .
It is a cyclic number.
It is not a de Polignac number, because 80288748037 - 219 = 80288223749 is a prime.
It is a super-2 number, since 2×802887480372 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80288748097) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40144374018 + 40144374019.
It is an arithmetic number, because the mean of its divisors is an integer number (40144374019).
Almost surely, 280288748037 is an apocalyptic number.
It is an amenable number.
80288748037 is a deficient number, since it is larger than the sum of its proper divisors (1).
80288748037 is an equidigital number, since it uses as much as digits as its factorization.
80288748037 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4816896, while the sum is 55.
The spelling of 80288748037 in words is "eighty billion, two hundred eighty-eight million, seven hundred forty-eight thousand, thirty-seven".
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