Base | Representation |
---|---|
bin | 11100011110100011… |
… | …000010110001011001 |
3 | 2220220222112110100121 |
4 | 130132203002301121 |
5 | 1000110240231240 |
6 | 22014053033241 |
7 | 2131506353161 |
oct | 343643026131 |
9 | 86828473317 |
10 | 30577273945 |
11 | 11a7108a539 |
12 | 5b14325821 |
13 | 2b63b6480a |
14 | 16a0d975a1 |
15 | bde65804a |
hex | 71e8c2c59 |
30577273945 has 8 divisors (see below), whose sum is σ = 36696017736. Its totient is φ = 24459626496.
The previous prime is 30577273943. The next prime is 30577273963. The reversal of 30577273945 is 54937277503.
It can be written as a sum of positive squares in 4 ways, for example, as 3381306201 + 27195967744 = 58149^2 + 164912^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30577273945 - 21 = 30577273943 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30577273892 and 30577273901.
It is not an unprimeable number, because it can be changed into a prime (30577273943) 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 in 7 ways as a sum of consecutive naturals, for example, 211422 + ... + 325351.
It is an arithmetic number, because the mean of its divisors is an integer number (4587002217).
Almost surely, 230577273945 is an apocalyptic number.
It is an amenable number.
30577273945 is a deficient number, since it is larger than the sum of its proper divisors (6118743791).
30577273945 is a wasteful number, since it uses less digits than its factorization.
30577273945 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 548171.
The product of its (nonzero) digits is 5556600, while the sum is 52.
The spelling of 30577273945 in words is "thirty billion, five hundred seventy-seven million, two hundred seventy-three thousand, nine hundred forty-five".
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