Base | Representation |
---|---|
bin | 11100001000001000… |
… | …100001010001000100 |
3 | 2212221202221001100122 |
4 | 130020020201101010 |
5 | 443323003102322 |
6 | 21512501001112 |
7 | 2116262103350 |
oct | 341010412104 |
9 | 85852831318 |
10 | 30201222212 |
11 | 11898891287 |
12 | 5a2a3b3198 |
13 | 2b03c897b5 |
14 | 1667068460 |
15 | bbb625442 |
hex | 708221444 |
30201222212 has 24 divisors (see below), whose sum is σ = 61687605504. Its totient is φ = 12667989312.
The previous prime is 30201222203. The next prime is 30201222221. The reversal of 30201222212 is 21222210203.
It is an interprime number because it is at equal distance from previous prime (30201222203) and next prime (30201222221).
It is a super-2 number, since 2×302012222122 (a number of 22 digits) contains 22 as substring.
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, 11473313 + ... + 11475944.
It is an arithmetic number, because the mean of its divisors is an integer number (2570316896).
Almost surely, 230201222212 is an apocalyptic number.
It is an amenable number.
30201222212 is an abundant number, since it is smaller than the sum of its proper divisors (31486383292).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30201222212 is a wasteful number, since it uses less digits than its factorization.
30201222212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22949315 (or 22949313 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 17.
Adding to 30201222212 its reverse (21222210203), we get a palindrome (51423432415).
The spelling of 30201222212 in words is "thirty billion, two hundred one million, two hundred twenty-two thousand, two hundred twelve".
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