Base | Representation |
---|---|
bin | 100010111101110100… |
… | …0010010110101001001 |
3 | 21011211001110022221112 |
4 | 1011323220102311021 |
5 | 2212240140320424 |
6 | 54254545220105 |
7 | 5265523415153 |
oct | 1057350226511 |
9 | 234731408845 |
10 | 75088604489 |
11 | 29932617a28 |
12 | 12677031635 |
13 | 7108759c22 |
14 | 38c477dad3 |
15 | 1e4721a60e |
hex | 117ba12d49 |
75088604489 has 2 divisors, whose sum is σ = 75088604490. Its totient is φ = 75088604488.
The previous prime is 75088604483. The next prime is 75088604557. The reversal of 75088604489 is 98440688057.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 55507360000 + 19581244489 = 235600^2 + 139933^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-75088604489 is a prime.
It is a super-2 number, since 2×750886044892 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (75088604483) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37544302244 + 37544302245.
It is an arithmetic number, because the mean of its divisors is an integer number (37544302245).
Almost surely, 275088604489 is an apocalyptic number.
It is an amenable number.
75088604489 is a deficient number, since it is larger than the sum of its proper divisors (1).
75088604489 is an equidigital number, since it uses as much as digits as its factorization.
75088604489 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 15482880, while the sum is 59.
The spelling of 75088604489 in words is "seventy-five billion, eighty-eight million, six hundred four thousand, four hundred eighty-nine".
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