Base | Representation |
---|---|
bin | 1001000001011100010… |
… | …10000101101111100100 |
3 | 1002122012021100110200100 |
4 | 10200232022011233210 |
5 | 20034401040322322 |
6 | 354230105544100 |
7 | 31253246610645 |
oct | 4405612055744 |
9 | 1078167313610 |
10 | 310012042212 |
11 | 10a525796854 |
12 | 500ba4a5030 |
13 | 23307174342 |
14 | 1100cb1b6cc |
15 | 80e6649dac |
hex | 482e285be4 |
310012042212 has 72 divisors (see below), whose sum is σ = 817951208256. Its totient is φ = 98815616064.
The previous prime is 310012042201. The next prime is 310012042231. The reversal of 310012042212 is 212240210013.
It is a happy number.
It is a super-2 number, since 2×3100120422122 (a number of 24 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
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 23 ways as a sum of consecutive naturals, for example, 2884138 + ... + 2989694.
It is an arithmetic number, because the mean of its divisors is an integer number (11360433448).
Almost surely, 2310012042212 is an apocalyptic number.
It is an amenable number.
310012042212 is an abundant number, since it is smaller than the sum of its proper divisors (507939166044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
310012042212 is a wasteful number, since it uses less digits than its factorization.
310012042212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 109137 (or 109132 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 310012042212 its reverse (212240210013), we get a palindrome (522252252225).
The spelling of 310012042212 in words is "three hundred ten billion, twelve million, forty-two thousand, two hundred twelve".
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