Base | Representation |
---|---|
bin | 1001000010000000000… |
… | …10110010111110010011 |
3 | 1002122222012000000022022 |
4 | 10201000002302332103 |
5 | 20041004400321321 |
6 | 354315545402055 |
7 | 31263552333632 |
oct | 4410002627623 |
9 | 1078865000268 |
10 | 310312120211 |
11 | 10a66a1138a5 |
12 | 50182a9932b |
13 | 2335439b7a2 |
14 | 1103a911519 |
15 | 8112b71dab |
hex | 48400b2f93 |
310312120211 has 8 divisors (see below), whose sum is σ = 313791242544. Its totient is φ = 306843720480.
The previous prime is 310312120187. The next prime is 310312120229. The reversal of 310312120211 is 112021213013.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 310312120211 - 26 = 310312120147 is a prime.
It is a super-2 number, since 2×3103121202112 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 310312120211.
It is not an unprimeable number, because it can be changed into a prime (310312020211) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2622440 + ... + 2738213.
It is an arithmetic number, because the mean of its divisors is an integer number (39223905318).
Almost surely, 2310312120211 is an apocalyptic number.
310312120211 is a deficient number, since it is larger than the sum of its proper divisors (3479122333).
310312120211 is a wasteful number, since it uses less digits than its factorization.
310312120211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5361301.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 310312120211 its reverse (112021213013), we get a palindrome (422333333224).
The spelling of 310312120211 in words is "three hundred ten billion, three hundred twelve million, one hundred twenty thousand, two hundred eleven".
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