Base | Representation |
---|---|
bin | 11100001001011000… |
… | …100101110000100001 |
3 | 2220000020102110002222 |
4 | 130021120211300201 |
5 | 443343341242004 |
6 | 21514530520425 |
7 | 2116635364424 |
oct | 341130456041 |
9 | 86006373088 |
10 | 30222212129 |
11 | 118a971831a |
12 | 5a35436115 |
13 | 2b08428675 |
14 | 1669b6d9bb |
15 | bbd3be7be |
hex | 709625c21 |
30222212129 has 4 divisors (see below), whose sum is σ = 31536221376. Its totient is φ = 28908202884.
The previous prime is 30222212099. The next prime is 30222212159. The reversal of 30222212129 is 92121222203.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is an interprime number because it is at equal distance from previous prime (30222212099) and next prime (30222212159).
It is a cyclic number.
It is not a de Polignac number, because 30222212129 - 212 = 30222208033 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30222212098 and 30222212107.
It is not an unprimeable number, because it can be changed into a prime (30222212159) 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, 657004589 + ... + 657004634.
It is an arithmetic number, because the mean of its divisors is an integer number (7884055344).
Almost surely, 230222212129 is an apocalyptic number.
It is an amenable number.
30222212129 is a deficient number, since it is larger than the sum of its proper divisors (1314009247).
30222212129 is a wasteful number, since it uses less digits than its factorization.
30222212129 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1314009246.
The product of its (nonzero) digits is 1728, while the sum is 26.
The spelling of 30222212129 in words is "thirty billion, two hundred twenty-two million, two hundred twelve thousand, one hundred twenty-nine".
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