Base | Representation |
---|---|
bin | 11100001101100000… |
… | …001011001011110111 |
3 | 2220012001102221121120 |
4 | 130031200023023313 |
5 | 444014033344203 |
6 | 21525435515023 |
7 | 2121434611053 |
oct | 341540131367 |
9 | 86161387546 |
10 | 30291309303 |
11 | 11934722022 |
12 | 5a545b8a73 |
13 | 2b1983c278 |
14 | 1674dd8c63 |
15 | bc44bcb53 |
hex | 70d80b2f7 |
30291309303 has 32 divisors (see below), whose sum is σ = 44147980800. Its totient is φ = 18401152896.
The previous prime is 30291309299. The next prime is 30291309317. The reversal of 30291309303 is 30390319203.
It is a happy number.
It is not a de Polignac number, because 30291309303 - 22 = 30291309299 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30291309353) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 399901 + ... + 469577.
It is an arithmetic number, because the mean of its divisors is an integer number (1379624400).
Almost surely, 230291309303 is an apocalyptic number.
30291309303 is a deficient number, since it is larger than the sum of its proper divisors (13856671497).
30291309303 is a wasteful number, since it uses less digits than its factorization.
30291309303 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69991.
The product of its (nonzero) digits is 13122, while the sum is 33.
The spelling of 30291309303 in words is "thirty billion, two hundred ninety-one million, three hundred nine thousand, three hundred three".
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