Base | Representation |
---|---|
bin | 11100001000110101… |
… | …110101011100000000 |
3 | 2212222121021120102022 |
4 | 130020311311130000 |
5 | 443334023220222 |
6 | 21514003341012 |
7 | 2116465060322 |
oct | 341065653400 |
9 | 85877246368 |
10 | 30213101312 |
11 | 118a4565219 |
12 | 5a32381768 |
13 | 2b06588754 |
14 | 166887b612 |
15 | bbc6c0042 |
hex | 708d75700 |
30213101312 has 36 divisors (see below), whose sum is σ = 60361077840. Its totient is φ = 15093301248.
The previous prime is 30213101311. The next prime is 30213101339. The reversal of 30213101312 is 21310131203.
It is a super-2 number, since 2×302131013122 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30213101311) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243989 + ... + 346347.
Almost surely, 230213101312 is an apocalyptic number.
30213101312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
30213101312 is a deficient number, since it is larger than the sum of its proper divisors (30147976528).
30213101312 is a wasteful number, since it uses less digits than its factorization.
30213101312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 103528 (or 103514 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 30213101312 its reverse (21310131203), we get a palindrome (51523232515).
The spelling of 30213101312 in words is "thirty billion, two hundred thirteen million, one hundred one thousand, three hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •