Base | Representation |
---|---|
bin | 1011001110001001… |
… | …0111100110001101 |
3 | 21202220212010020022 |
4 | 2303202113212031 |
5 | 22132101144323 |
6 | 1214520231525 |
7 | 134433456440 |
oct | 26342274615 |
9 | 7686763208 |
10 | 3012131213 |
11 | 13062a6843 |
12 | 70090b5a5 |
13 | 390071180 |
14 | 208083657 |
15 | 12968d4c8 |
hex | b389798d |
3012131213 has 64 divisors (see below), whose sum is σ = 4096770048. Its totient is φ = 2146728960.
The previous prime is 3012131207. The next prime is 3012131231. The reversal of 3012131213 is 3121312103.
It is a cyclic number.
It is not a de Polignac number, because 3012131213 - 222 = 3007936909 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a junction number, because it is equal to n+sod(n) for n = 3012131191 and 3012131200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3012131233) 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 63 ways as a sum of consecutive naturals, for example, 5131106 + ... + 5131692.
It is an arithmetic number, because the mean of its divisors is an integer number (64012032).
Almost surely, 23012131213 is an apocalyptic number.
It is an amenable number.
3012131213 is a deficient number, since it is larger than the sum of its proper divisors (1084638835).
3012131213 is a wasteful number, since it uses less digits than its factorization.
3012131213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 762.
The product of its (nonzero) digits is 108, while the sum is 17.
The square root of 3012131213 is about 54882.8863399147. The cubic root of 3012131213 is about 1444.1909821049.
Adding to 3012131213 its reverse (3121312103), we get a palindrome (6133443316).
The spelling of 3012131213 in words is "three billion, twelve million, one hundred thirty-one thousand, two hundred thirteen".
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