Base | Representation |
---|---|
bin | 11100000010001110… |
… | …110010011101110110 |
3 | 2212200212121022110220 |
4 | 130002032302131312 |
5 | 443122130432410 |
6 | 21455002355210 |
7 | 2113650332352 |
oct | 340216623566 |
9 | 85625538426 |
10 | 30102202230 |
11 | 118479aa091 |
12 | 5a011bbb06 |
13 | 2ab95ca0a9 |
14 | 1657c50462 |
15 | bb2ab6070 |
hex | 7023b2776 |
30102202230 has 16 divisors (see below), whose sum is σ = 72245285424. Its totient is φ = 8027253920.
The previous prime is 30102202219. The next prime is 30102202241. The reversal of 30102202230 is 3220220103.
It is an interprime number because it is at equal distance from previous prime (30102202219) and next prime (30102202241).
It is a super-2 number, since 2×301022022302 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501703341 + ... + 501703400.
It is an arithmetic number, because the mean of its divisors is an integer number (4515330339).
Almost surely, 230102202230 is an apocalyptic number.
30102202230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30102202230 is an abundant number, since it is smaller than the sum of its proper divisors (42143083194).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30102202230 is a wasteful number, since it uses less digits than its factorization.
30102202230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1003406751.
The product of its (nonzero) digits is 144, while the sum is 15.
Adding to 30102202230 its reverse (3220220103), we get a palindrome (33322422333).
The spelling of 30102202230 in words is "thirty billion, one hundred two million, two hundred two thousand, two hundred thirty".
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