Base | Representation |
---|---|
bin | 11100101101100110… |
… | …101100001111010101 |
3 | 2221120120212121100002 |
4 | 130231212230033111 |
5 | 1001114422412334 |
6 | 22055115301045 |
7 | 2140664504522 |
oct | 345546541725 |
9 | 87516777302 |
10 | 30829888469 |
11 | 12090739576 |
12 | 5b84a4a785 |
13 | 2ba42b1273 |
14 | 16c6754149 |
15 | c06906b7e |
hex | 72d9ac3d5 |
30829888469 has 2 divisors, whose sum is σ = 30829888470. Its totient is φ = 30829888468.
The previous prime is 30829888421. The next prime is 30829888489. The reversal of 30829888469 is 96488892803.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 29961879025 + 868009444 = 173095^2 + 29462^2 .
It is a cyclic number.
It is not a de Polignac number, because 30829888469 - 212 = 30829884373 is a prime.
It is a super-2 number, since 2×308298884692 (a number of 22 digits) contains 22 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30829888409) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15414944234 + 15414944235.
It is an arithmetic number, because the mean of its divisors is an integer number (15414944235).
Almost surely, 230829888469 is an apocalyptic number.
It is an amenable number.
30829888469 is a deficient number, since it is larger than the sum of its proper divisors (1).
30829888469 is an equidigital number, since it uses as much as digits as its factorization.
30829888469 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 47775744, while the sum is 65.
The spelling of 30829888469 in words is "thirty billion, eight hundred twenty-nine million, eight hundred eighty-eight thousand, four hundred sixty-nine".
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