Base | Representation |
---|---|
bin | 10011001101010100… |
… | …00000011001101000 |
3 | 222121200021011121201 |
4 | 21212222000121220 |
5 | 132104412103222 |
6 | 4423134413544 |
7 | 513355305040 |
oct | 114652003150 |
9 | 28550234551 |
10 | 10312222312 |
11 | 4411a87287 |
12 | 1bb96612b4 |
13 | c845a74c2 |
14 | 6db7d8720 |
15 | 4054d3427 |
hex | 266a80668 |
10312222312 has 32 divisors (see below), whose sum is σ = 22101275520. Its totient is φ = 4418792640.
The previous prime is 10312222309. The next prime is 10312222357. The reversal of 10312222312 is 21322221301.
It is a super-2 number, since 2×103122223122 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 10312222312.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454338 + ... + 476494.
It is an arithmetic number, because the mean of its divisors is an integer number (690664860).
Almost surely, 210312222312 is an apocalyptic number.
It is an amenable number.
10312222312 is an abundant number, since it is smaller than the sum of its proper divisors (11789053208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10312222312 is a wasteful number, since it uses less digits than its factorization.
10312222312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30481 (or 30477 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 10312222312 its reverse (21322221301), we get a palindrome (31634443613).
The spelling of 10312222312 in words is "ten billion, three hundred twelve million, two hundred twenty-two thousand, three hundred twelve".
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