Base | Representation |
---|---|
bin | 11100001100111000… |
… | …110101001110101111 |
3 | 2220011100000222002110 |
4 | 130030320311032233 |
5 | 444003413331014 |
6 | 21524430455103 |
7 | 2121251134320 |
oct | 341470651657 |
9 | 86140028073 |
10 | 30280995759 |
11 | 11929918333 |
12 | 5a51064493 |
13 | 2b1766aa91 |
14 | 16738b2447 |
15 | bc3631d59 |
hex | 70ce353af |
30280995759 has 16 divisors (see below), whose sum is σ = 48148664832. Its totient is φ = 16551103008.
The previous prime is 30280995757. The next prime is 30280995769. The reversal of 30280995759 is 95759908203.
It is not a de Polignac number, because 30280995759 - 21 = 30280995757 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30280995699 and 30280995708.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30280995757) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31346304 + ... + 31347269.
It is an arithmetic number, because the mean of its divisors is an integer number (3009291552).
Almost surely, 230280995759 is an apocalyptic number.
30280995759 is a deficient number, since it is larger than the sum of its proper divisors (17867669073).
30280995759 is a wasteful number, since it uses less digits than its factorization.
30280995759 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62693606.
The product of its (nonzero) digits is 6123600, while the sum is 57.
The spelling of 30280995759 in words is "thirty billion, two hundred eighty million, nine hundred ninety-five thousand, seven hundred fifty-nine".
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