Base | Representation |
---|---|
bin | 11100101010110100… |
… | …001100101101000101 |
3 | 2221110022211101102111 |
4 | 130222310030231011 |
5 | 1001020433111134 |
6 | 22050324341021 |
7 | 2136556004302 |
oct | 345264145505 |
9 | 87408741374 |
10 | 30783097669 |
11 | 1206728a995 |
12 | 5b71244771 |
13 | 2b976aa7bc |
14 | 16c04540a9 |
15 | c02762c64 |
hex | 72ad0cb45 |
30783097669 has 2 divisors, whose sum is σ = 30783097670. Its totient is φ = 30783097668.
The previous prime is 30783097651. The next prime is 30783097687. The reversal of 30783097669 is 96679038703.
It is a balanced prime because it is at equal distance from previous prime (30783097651) and next prime (30783097687).
It can be written as a sum of positive squares in only one way, i.e., 15932750625 + 14850347044 = 126225^2 + 121862^2 .
It is a cyclic number.
It is not a de Polignac number, because 30783097669 - 221 = 30781000517 is a prime.
It is a super-2 number, since 2×307830976692 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30786097669) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15391548834 + 15391548835.
It is an arithmetic number, because the mean of its divisors is an integer number (15391548835).
Almost surely, 230783097669 is an apocalyptic number.
It is an amenable number.
30783097669 is a deficient number, since it is larger than the sum of its proper divisors (1).
30783097669 is an equidigital number, since it uses as much as digits as its factorization.
30783097669 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 10287648, while the sum is 58.
The spelling of 30783097669 in words is "thirty billion, seven hundred eighty-three million, ninety-seven thousand, six hundred sixty-nine".
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