Base | Representation |
---|---|
bin | 11100001000101111… |
… | …000010100110101000 |
3 | 2212222110221002020101 |
4 | 130020233002212220 |
5 | 443333044221412 |
6 | 21513501235144 |
7 | 2116443661552 |
oct | 341057024650 |
9 | 85873832211 |
10 | 30211320232 |
11 | 118a3559055 |
12 | 5a31862ab4 |
13 | 2b060b3b62 |
14 | 16685364d2 |
15 | bbc46c457 |
hex | 708bc29a8 |
30211320232 has 8 divisors (see below), whose sum is σ = 56646225450. Its totient is φ = 15105660112.
The previous prime is 30211320221. The next prime is 30211320233. The reversal of 30211320232 is 23202311203.
It can be written as a sum of positive squares in only one way, i.e., 28891160676 + 1320159556 = 169974^2 + 36334^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is not an unprimeable number, because it can be changed into a prime (30211320233) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1888207507 + ... + 1888207522.
Almost surely, 230211320232 is an apocalyptic number.
It is an amenable number.
30211320232 is a deficient number, since it is larger than the sum of its proper divisors (26434905218).
30211320232 is a wasteful number, since it uses less digits than its factorization.
30211320232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3776415035 (or 3776415031 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 30211320232 its reverse (23202311203), we get a palindrome (53413631435).
The spelling of 30211320232 in words is "thirty billion, two hundred eleven million, three hundred twenty thousand, two hundred thirty-two".
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