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12950723889 = 3261101311751
BaseRepresentation
bin11000000111110110…
…00101110100110001
31020102120001221100100
430003323011310301
5203010341131024
65541030543013
7635634223335
oct140373056461
936376057310
1012950723889
1155463895a4
122615207a69
1312b510ac3c
148abdbd7c5
1550be6b7c9
hex303ec5d31

12950723889 has 48 divisors (see below), whose sum is σ = 19288908288. Its totient is φ = 8370000000.

The previous prime is 12950723887. The next prime is 12950723909. The reversal of 12950723889 is 98832705921.

12950723889 is a `hidden beast` number, since 1 + 29 + 507 + 2 + 38 + 89 = 666.

12950723889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12950723889 - 21 = 12950723887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12950723887) 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 47 ways as a sum of consecutive naturals, for example, 17244264 + ... + 17245014.

It is an arithmetic number, because the mean of its divisors is an integer number (401852256).

Almost surely, 212950723889 is an apocalyptic number.

It is an amenable number.

12950723889 is a deficient number, since it is larger than the sum of its proper divisors (6338184399).

12950723889 is a wasteful number, since it uses less digits than its factorization.

12950723889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230 (or 1227 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 12950723889 in words is "twelve billion, nine hundred fifty million, seven hundred twenty-three thousand, eight hundred eighty-nine".

Divisors: 1 3 9 61 101 183 303 311 549 751 909 933 2253 2799 6161 6759 18483 18971 31411 45811 55449 56913 75851 94233 137433 170739 227553 233561 282699 412299 682659 700683 1916071 2102049 4626911 5748213 13880733 14247221 17244639 23589661 41642199 42741663 70768983 128224989 212306949 1438969321 4316907963 12950723889