Base | Representation |
---|---|
bin | 11100001001111011… |
… | …101001111110010001 |
3 | 2220000212201110120200 |
4 | 130021323221332101 |
5 | 443403214420213 |
6 | 21515455525413 |
7 | 2120106461226 |
oct | 341173517621 |
9 | 86025643520 |
10 | 30231404433 |
11 | 1190392666a |
12 | 5a38529869 |
13 | 2b0a2c66b9 |
14 | 166b08394d |
15 | bbe0d8273 |
hex | 709ee9f91 |
30231404433 has 24 divisors (see below), whose sum is σ = 43888416000. Its totient is φ = 20052607104.
The previous prime is 30231404417. The next prime is 30231404473. The reversal of 30231404433 is 33440413203.
30231404433 is a `hidden beast` number, since 302 + 314 + 0 + 4 + 43 + 3 = 666.
It is not a de Polignac number, because 30231404433 - 24 = 30231404417 is a prime.
It is a super-2 number, since 2×302314044332 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30231404397 and 30231404406.
It is not an unprimeable number, because it can be changed into a prime (30231404473) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1439593 + ... + 1460441.
It is an arithmetic number, because the mean of its divisors is an integer number (1828684000).
Almost surely, 230231404433 is an apocalyptic number.
It is an amenable number.
30231404433 is a deficient number, since it is larger than the sum of its proper divisors (13657011567).
30231404433 is a wasteful number, since it uses less digits than its factorization.
30231404433 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21661 (or 21658 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 27.
Adding to 30231404433 its reverse (33440413203), we get a palindrome (63671817636).
The spelling of 30231404433 in words is "thirty billion, two hundred thirty-one million, four hundred four thousand, four hundred thirty-three".
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