Base | Representation |
---|---|
bin | 11000000111110001… |
… | …10100110011010001 |
3 | 1020102111221202111202 |
4 | 30003320310303101 |
5 | 203010213123443 |
6 | 5541010120545 |
7 | 635626200452 |
oct | 140370646321 |
9 | 36374852452 |
10 | 12950129873 |
11 | 554601327a |
12 | 2614b80155 |
13 | 12b4c60755 |
14 | 8abca7129 |
15 | 50bda07b8 |
hex | 303e34cd1 |
12950129873 has 8 divisors (see below), whose sum is σ = 13289499168. Its totient is φ = 12612497184.
The previous prime is 12950129867. The next prime is 12950129917. The reversal of 12950129873 is 37892105921.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12950129873 - 26 = 12950129809 is a prime.
It is a super-2 number, since 2×129501298732 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12950120873) 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, 419036 + ... + 448877.
It is an arithmetic number, because the mean of its divisors is an integer number (1661187396).
Almost surely, 212950129873 is an apocalyptic number.
It is an amenable number.
12950129873 is a deficient number, since it is larger than the sum of its proper divisors (339369295).
12950129873 is an equidigital number, since it uses as much as digits as its factorization.
12950129873 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 868303.
The product of its (nonzero) digits is 272160, while the sum is 47.
The spelling of 12950129873 in words is "twelve billion, nine hundred fifty million, one hundred twenty-nine thousand, eight hundred seventy-three".
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