Base | Representation |
---|---|
bin | 1001000101001100000… |
… | …10000101110011011110 |
3 | 1002211101102201102220202 |
4 | 10202212002011303132 |
5 | 20103010420224410 |
6 | 355201432143502 |
7 | 31354140351323 |
oct | 4424602056336 |
9 | 1084342642822 |
10 | 312023211230 |
11 | 110367a71905 |
12 | 5057bb37b92 |
13 | 23567a2c393 |
14 | 1115dc82b4a |
15 | 81b2eb6ca5 |
hex | 48a6085cde |
312023211230 has 16 divisors (see below), whose sum is σ = 562186553184. Its totient is φ = 124688223840.
The previous prime is 312023211223. The next prime is 312023211239. The reversal of 312023211230 is 32112320213.
It is a super-2 number, since 2×3120232112302 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312023211239) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 15121757 + ... + 15142376.
It is an arithmetic number, because the mean of its divisors is an integer number (35136659574).
Almost surely, 2312023211230 is an apocalyptic number.
312023211230 is a deficient number, since it is larger than the sum of its proper divisors (250163341954).
312023211230 is a wasteful number, since it uses less digits than its factorization.
312023211230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30265171.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 312023211230 its reverse (32112320213), we get a palindrome (344135531443).
The spelling of 312023211230 in words is "three hundred twelve billion, twenty-three million, two hundred eleven thousand, two hundred thirty".
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