Search a number
-
+
12643123414 = 2172316167677
BaseRepresentation
bin10111100011001011…
…01100000011010110
31012122010021012211011
423301211230003112
5201343114422124
65450322002434
7625210530055
oct136145540326
935563235734
1012643123414
1153a8793829
12254a1a641a
13126647b81c
1487d1cc39c
154dee5a994
hex2f196c0d6

12643123414 has 16 divisors (see below), whose sum is σ = 20953310688. Its totient is φ = 5691021952.

The previous prime is 12643123399. The next prime is 12643123429. The reversal of 12643123414 is 41432134621.

12643123414 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12643123399) and next prime (12643123429).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8083057 + ... + 8084620.

It is an arithmetic number, because the mean of its divisors is an integer number (1309581918).

Almost surely, 212643123414 is an apocalyptic number.

12643123414 is a deficient number, since it is larger than the sum of its proper divisors (8310187274).

12643123414 is a wasteful number, since it uses less digits than its factorization.

12643123414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16167719.

The product of its digits is 13824, while the sum is 31.

The spelling of 12643123414 in words is "twelve billion, six hundred forty-three million, one hundred twenty-three thousand, four hundred fourteen".

Divisors: 1 2 17 23 34 46 391 782 16167677 32335354 274850509 371856571 549701018 743713142 6321561707 12643123414