Base | Representation |
---|---|
bin | 11100000111001011… |
… | …000000011111110001 |
3 | 2212220122120211000000 |
4 | 130013023000133301 |
5 | 443304341102301 |
6 | 21511123220213 |
7 | 2116005043560 |
oct | 340713003761 |
9 | 85818524000 |
10 | 30185097201 |
11 | 1188a778326 |
12 | 5a24b17669 |
13 | 2b0083207c |
14 | 1664c6bbd7 |
15 | bb9edc786 |
hex | 7072c07f1 |
30185097201 has 56 divisors (see below), whose sum is σ = 54764861184. Its totient is φ = 16233955200.
The previous prime is 30185097197. The next prime is 30185097277. The reversal of 30185097201 is 10279058103.
It is not a de Polignac number, because 30185097201 - 22 = 30185097197 is a prime.
It is a super-2 number, since 2×301850972012 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30185097601) 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 55 ways as a sum of consecutive naturals, for example, 87225 + ... + 260726.
Almost surely, 230185097201 is an apocalyptic number.
It is an amenable number.
30185097201 is a deficient number, since it is larger than the sum of its proper divisors (24579763983).
30185097201 is an equidigital number, since it uses as much as digits as its factorization.
30185097201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 347993 (or 347978 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 36.
The spelling of 30185097201 in words is "thirty billion, one hundred eighty-five million, ninety-seven thousand, two hundred one".
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