Base | Representation |
---|---|
bin | 11100001001111010… |
… | …001001101110100100 |
3 | 2220000211222102210220 |
4 | 130021322021232210 |
5 | 443403114311322 |
6 | 21515443244340 |
7 | 2120103230004 |
oct | 341172115644 |
9 | 86024872726 |
10 | 30231010212 |
11 | 11903687467 |
12 | 5a383796b0 |
13 | 2b0a1b9130 |
14 | 166adc0004 |
15 | bbe05b55c |
hex | 709e89ba4 |
30231010212 has 48 divisors (see below), whose sum is σ = 78584600640. Its totient is φ = 8981094528.
The previous prime is 30231010193. The next prime is 30231010231. The reversal of 30231010212 is 21201013203.
It is an interprime number because it is at equal distance from previous prime (30231010193) and next prime (30231010231).
It is a junction number, because it is equal to n+sod(n) for n = 30231010191 and 30231010200.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3336658 + ... + 3345705.
It is an arithmetic number, because the mean of its divisors is an integer number (1637179180).
Almost surely, 230231010212 is an apocalyptic number.
It is an amenable number.
30231010212 is an abundant number, since it is smaller than the sum of its proper divisors (48353590428).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30231010212 is a wasteful number, since it uses less digits than its factorization.
30231010212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6682412 (or 6682410 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 30231010212 its reverse (21201013203), we get a palindrome (51432023415).
The spelling of 30231010212 in words is "thirty billion, two hundred thirty-one million, ten thousand, two hundred twelve".
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