Base | Representation |
---|---|
bin | 11100010101001011… |
… | …001011011110101011 |
3 | 2220112000122021220100 |
4 | 130111023023132223 |
5 | 444300011220321 |
6 | 21550314400443 |
7 | 2124556634214 |
oct | 342513133653 |
9 | 86460567810 |
10 | 30420023211 |
11 | 119a0345756 |
12 | 5a8b730123 |
13 | 2b3a3c7546 |
14 | 168814240b |
15 | bd0945326 |
hex | 7152cb7ab |
30420023211 has 6 divisors (see below), whose sum is σ = 43940033540. Its totient is φ = 20280015468.
The previous prime is 30420023209. The next prime is 30420023213. The reversal of 30420023211 is 11232002403.
30420023211 is a `hidden beast` number, since 3 + 0 + 420 + 0 + 232 + 11 = 666.
It is an interprime number because it is at equal distance from previous prime (30420023209) and next prime (30420023213).
It is not a de Polignac number, because 30420023211 - 21 = 30420023209 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30420023213) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1690001281 + ... + 1690001298.
Almost surely, 230420023211 is an apocalyptic number.
30420023211 is a deficient number, since it is larger than the sum of its proper divisors (13520010329).
30420023211 is a wasteful number, since it uses less digits than its factorization.
30420023211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3380002585 (or 3380002582 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 30420023211 its reverse (11232002403), we get a palindrome (41652025614).
The spelling of 30420023211 in words is "thirty billion, four hundred twenty million, twenty-three thousand, two hundred eleven".
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