Base | Representation |
---|---|
bin | 11100001001011000… |
… | …001111010111001011 |
3 | 2220000020020210021102 |
4 | 130021120033113023 |
5 | 443343330323040 |
6 | 21514524532015 |
7 | 2116634533115 |
oct | 341130172713 |
9 | 86006223242 |
10 | 30222120395 |
11 | 118a9665405 |
12 | 5a353b100b |
13 | 2b083c599c |
14 | 1669b483b5 |
15 | bbd3a2515 |
hex | 70960f5cb |
30222120395 has 4 divisors (see below), whose sum is σ = 36266544480. Its totient is φ = 24177696312.
The previous prime is 30222120391. The next prime is 30222120419. The reversal of 30222120395 is 59302122203.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30222120395 - 22 = 30222120391 is a prime.
It is a super-2 number, since 2×302221203952 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30222120391) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3022212035 + ... + 3022212044.
It is an arithmetic number, because the mean of its divisors is an integer number (9066636120).
Almost surely, 230222120395 is an apocalyptic number.
30222120395 is a deficient number, since it is larger than the sum of its proper divisors (6044424085).
30222120395 is an equidigital number, since it uses as much as digits as its factorization.
30222120395 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6044424084.
The product of its (nonzero) digits is 6480, while the sum is 29.
Adding to 30222120395 its reverse (59302122203), we get a palindrome (89524242598).
The spelling of 30222120395 in words is "thirty billion, two hundred twenty-two million, one hundred twenty thousand, three hundred ninety-five".
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