Base | Representation |
---|---|
bin | 11100010011000110… |
… | …111111010111100101 |
3 | 2220102121102202110012 |
4 | 130103012333113211 |
5 | 444212123324342 |
6 | 21543035540005 |
7 | 2123656250201 |
oct | 342306772745 |
9 | 86377382405 |
10 | 30385370597 |
11 | 1198282772a |
12 | 5a7bbba605 |
13 | 2b3318393a |
14 | 16836c1b01 |
15 | bcc89cb82 |
hex | 7131bf5e5 |
30385370597 has 8 divisors (see below), whose sum is σ = 32205032856. Its totient is φ = 28569295872.
The previous prime is 30385370591. The next prime is 30385370611. The reversal of 30385370597 is 79507358303.
It is a happy number.
It is a Cunningham number, because it is equal to 1743142+1.
It can be written as a sum of positive squares in 4 ways, for example, as 23656285636 + 6729084961 = 153806^2 + 82031^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30385370597 - 24 = 30385370581 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30385370591) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 879428 + ... + 913325.
It is an arithmetic number, because the mean of its divisors is an integer number (4025629107).
Almost surely, 230385370597 is an apocalyptic number.
It is an amenable number.
30385370597 is a deficient number, since it is larger than the sum of its proper divisors (1819662259).
30385370597 is a wasteful number, since it uses less digits than its factorization.
30385370597 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1793767.
The product of its (nonzero) digits is 2381400, while the sum is 50.
The spelling of 30385370597 in words is "thirty billion, three hundred eighty-five million, three hundred seventy thousand, five hundred ninety-seven".
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