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12771693299 = 23555291013
BaseRepresentation
bin10111110010100000…
…01001001011110011
31012222002012020112202
423321100021023303
5202124023141144
65511153413415
7631331413301
oct137120111363
935862166482
1012771693299
115464319232
12258526a26b
131286cb6391
148922d9271
154eb3a564e
hex2f94092f3

12771693299 has 4 divisors (see below), whose sum is σ = 13326984336. Its totient is φ = 12216402264.

The previous prime is 12771693283. The next prime is 12771693307. The reversal of 12771693299 is 99239617721.

12771693299 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12771693299 - 24 = 12771693283 is a prime.

It is a super-2 number, since 2×127716932992 (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 (12771693799) 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 3 ways as a sum of consecutive naturals, for example, 277645484 + ... + 277645529.

It is an arithmetic number, because the mean of its divisors is an integer number (3331746084).

Almost surely, 212771693299 is an apocalyptic number.

12771693299 is a deficient number, since it is larger than the sum of its proper divisors (555291037).

12771693299 is an equidigital number, since it uses as much as digits as its factorization.

12771693299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555291036.

The product of its digits is 2571912, while the sum is 56.

The spelling of 12771693299 in words is "twelve billion, seven hundred seventy-one million, six hundred ninety-three thousand, two hundred ninety-nine".

Divisors: 1 23 555291013 12771693299