Search a number
-
+
12945617350 = 252376997631
BaseRepresentation
bin11000000111001111…
…00111000111000110
31020102012110111111021
430003213213013012
5203003034223400
65540325301354
7635542634431
oct140347470706
936365414437
1012945617350
115543510a16
12261356485a
1312b4040813
148ab450818
1550b7ad71a
hex3039e71c6

12945617350 has 24 divisors (see below), whose sum is σ = 24729631488. Its totient is φ = 5038293600.

The previous prime is 12945617327. The next prime is 12945617353. The reversal of 12945617350 is 5371654921.

12945617350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12945617297 and 12945617306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12945617353) 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 11 ways as a sum of consecutive naturals, for example, 3496966 + ... + 3500665.

It is an arithmetic number, because the mean of its divisors is an integer number (1030401312).

Almost surely, 212945617350 is an apocalyptic number.

12945617350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12945617350 is a deficient number, since it is larger than the sum of its proper divisors (11784014138).

12945617350 is a wasteful number, since it uses less digits than its factorization.

12945617350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6997680 (or 6997675 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 12945617350 in words is "twelve billion, nine hundred forty-five million, six hundred seventeen thousand, three hundred fifty".

Divisors: 1 2 5 10 25 37 50 74 185 370 925 1850 6997631 13995262 34988155 69976310 174940775 258912347 349881550 517824694 1294561735 2589123470 6472808675 12945617350