Base | Representation |
---|---|
bin | 11100000010001110… |
… | …110010011101101110 |
3 | 2212200212121022110121 |
4 | 130002032302131232 |
5 | 443122130432342 |
6 | 21455002355154 |
7 | 2113650332341 |
oct | 340216623556 |
9 | 85625538417 |
10 | 30102202222 |
11 | 118479aa084 |
12 | 5a011bbaba |
13 | 2ab95ca0a1 |
14 | 1657c50458 |
15 | bb2ab6067 |
hex | 7023b276e |
30102202222 has 4 divisors (see below), whose sum is σ = 45153303336. Its totient is φ = 15051101110.
The previous prime is 30102202219. The next prime is 30102202241. The reversal of 30102202222 is 22220220103.
It is a semiprime because it is the product of two primes.
It is a super-2 number, since 2×301022022222 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30102202196 and 30102202205.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7525550554 + ... + 7525550557.
It is an arithmetic number, because the mean of its divisors is an integer number (11288325834).
Almost surely, 230102202222 is an apocalyptic number.
30102202222 is a deficient number, since it is larger than the sum of its proper divisors (15051101114).
30102202222 is a wasteful number, since it uses less digits than its factorization.
30102202222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15051101113.
The product of its (nonzero) digits is 192, while the sum is 16.
Adding to 30102202222 its reverse (22220220103), we get a palindrome (52322422325).
It can be divided in two parts, 30102 and 202222, that added together give a square (232324 = 4822).
The spelling of 30102202222 in words is "thirty billion, one hundred two million, two hundred two thousand, two hundred twenty-two".
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