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12839303986 = 262563102611
BaseRepresentation
bin10111111010100100…
…00011101100110010
31020010210102012222021
423331102003230302
5202243330211421
65522010502054
7633112166065
oct137522035462
936123365867
1012839303986
1154994a8133
1225a3a3492a
131297cc94c2
1489b2988dc
155022ad341
hex2fd483b32

12839303986 has 8 divisors (see below), whose sum is σ = 19259451504. Its totient is φ = 6419486820.

The previous prime is 12839303977. The next prime is 12839303989. The reversal of 12839303986 is 68930393821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12839303989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73821 + ... + 176431.

It is an arithmetic number, because the mean of its divisors is an integer number (2407431438).

Almost surely, 212839303986 is an apocalyptic number.

12839303986 is a deficient number, since it is larger than the sum of its proper divisors (6420147518).

12839303986 is a wasteful number, since it uses less digits than its factorization.

12839303986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165176.

The product of its (nonzero) digits is 1679616, while the sum is 52.

The spelling of 12839303986 in words is "twelve billion, eight hundred thirty-nine million, three hundred three thousand, nine hundred eighty-six".

Divisors: 1 2 62563 102611 125126 205222 6419651993 12839303986