Search a number
-
+
12699000001 = 1071811913433
BaseRepresentation
bin10111101001110101…
…10101110011000001
31012210000102001002101
423310322311303001
5202001421000001
65500035350401
7626456501422
oct136472656301
935700361071
1012699000001
115427288726
122564a52401
131274c139ac
148867b5649
154e4ce6a01
hex2f4eb5cc1

12699000001 has 16 divisors (see below), whose sum is σ = 12959751168. Its totient is φ = 12441686400.

The previous prime is 12698999993. The next prime is 12699000019. The reversal of 12699000001 is 10000099621.

It is a cyclic number.

It is not a de Polignac number, because 12699000001 - 23 = 12698999993 is a prime.

It is a super-2 number, since 2×126990000012 (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 (12699000101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3697381 + ... + 3700813.

It is an arithmetic number, because the mean of its divisors is an integer number (809984448).

Almost surely, 212699000001 is an apocalyptic number.

It is an amenable number.

12699000001 is a deficient number, since it is larger than the sum of its proper divisors (260751167).

12699000001 is a wasteful number, since it uses less digits than its factorization.

12699000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3912.

The product of its (nonzero) digits is 972, while the sum is 28.

Adding to 12699000001 its reverse (10000099621), we get a palindrome (22699099622).

The spelling of 12699000001 in words is "twelve billion, six hundred ninety-nine million, one", and thus it is an aban number.

Divisors: 1 107 181 191 3433 19367 20437 34571 367331 621373 655703 3699097 66486911 70160221 118682243 12699000001