Base | Representation |
---|---|
bin | 11100001000010000… |
… | …001001010101001001 |
3 | 2212221220200121121201 |
4 | 130020100021111021 |
5 | 443324011040241 |
6 | 21513011504201 |
7 | 2116315100560 |
oct | 341020112511 |
9 | 85856617551 |
10 | 30203221321 |
11 | 11899a27239 |
12 | 5a2abb8061 |
13 | 2b045096c0 |
14 | 1667428bd7 |
15 | bbb8bc931 |
hex | 708409549 |
30203221321 has 8 divisors (see below), whose sum is σ = 37173195584. Its totient is φ = 23897054160.
The previous prime is 30203221297. The next prime is 30203221327. The reversal of 30203221321 is 12312230203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30203221321 - 211 = 30203219273 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30203221327) 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, 165951675 + ... + 165951856.
It is an arithmetic number, because the mean of its divisors is an integer number (4646649448).
Almost surely, 230203221321 is an apocalyptic number.
It is an amenable number.
30203221321 is a deficient number, since it is larger than the sum of its proper divisors (6969974263).
30203221321 is a wasteful number, since it uses less digits than its factorization.
30203221321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 331903551.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 30203221321 its reverse (12312230203), we get a palindrome (42515451524).
The spelling of 30203221321 in words is "thirty billion, two hundred three million, two hundred twenty-one thousand, three hundred twenty-one".
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