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12950129873 = 43347867913
BaseRepresentation
bin11000000111110001…
…10100110011010001
31020102111221202111202
430003320310303101
5203010213123443
65541010120545
7635626200452
oct140370646321
936374852452
1012950129873
11554601327a
122614b80155
1312b4c60755
148abca7129
1550bda07b8
hex303e34cd1

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".

Divisors: 1 43 347 14921 867913 37320259 301165811 12950129873