Base | Representation |
---|---|
bin | 11000001111001011… |
… | …01001100110011010 |
3 | 1020120211202212100022 |
4 | 30013211221212122 |
5 | 203122111241442 |
6 | 5551104510442 |
7 | 640311656330 |
oct | 140745514632 |
9 | 36524685308 |
10 | 13012212122 |
11 | 5578066618 |
12 | 263191b422 |
13 | 12c4a89400 |
14 | 8b6227b50 |
15 | 5125653d2 |
hex | 30796999a |
13012212122 has 48 divisors (see below), whose sum is σ = 24185935872. Its totient is φ = 5140998720.
The previous prime is 13012212091. The next prime is 13012212139. The reversal of 13012212122 is 22121221031.
13012212122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 13012212122.
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, 2071847 + ... + 2078117.
It is an arithmetic number, because the mean of its divisors is an integer number (503873664).
Almost surely, 213012212122 is an apocalyptic number.
13012212122 is a deficient number, since it is larger than the sum of its proper divisors (11173723750).
13012212122 is a wasteful number, since it uses less digits than its factorization.
13012212122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7183 (or 7170 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 13012212122 its reverse (22121221031), we get a palindrome (35133433153).
The spelling of 13012212122 in words is "thirteen billion, twelve million, two hundred twelve thousand, one hundred twenty-two".
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