Base | Representation |
---|---|
bin | 11000000111110010… |
… | …01001010100101001 |
3 | 1020102112010000210221 |
4 | 30003321021110221 |
5 | 203010223321204 |
6 | 5541012010041 |
7 | 635630000512 |
oct | 140371112451 |
9 | 36375100727 |
10 | 12950213929 |
11 | 5546070444 |
12 | 2615000921 |
13 | 12b4c8caa3 |
14 | 8abcc9a09 |
15 | 50bdba654 |
hex | 303e49529 |
12950213929 has 16 divisors (see below), whose sum is σ = 13634730000. Its totient is φ = 12282117120.
The previous prime is 12950213921. The next prime is 12950213989. The reversal of 12950213929 is 92931205921.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 147744025 + 12802469904 = 12155^2 + 113148^2 .
It is not a de Polignac number, because 12950213929 - 23 = 12950213921 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12950213921) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1426597 + ... + 1435645.
It is an arithmetic number, because the mean of its divisors is an integer number (852170625).
Almost surely, 212950213929 is an apocalyptic number.
It is an amenable number.
12950213929 is a deficient number, since it is larger than the sum of its proper divisors (684516071).
12950213929 is an equidigital number, since it uses as much as digits as its factorization.
12950213929 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9948.
The product of its (nonzero) digits is 87480, while the sum is 43.
The spelling of 12950213929 in words is "twelve billion, nine hundred fifty million, two hundred thirteen thousand, nine hundred twenty-nine".
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