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12268954369 = 71752707767
BaseRepresentation
bin10110110110100100…
…10110001100000001
31011200001012110101101
423123102112030001
5200111323014434
65345234134401
7613015251160
oct133322261401
934601173341
1012268954369
115226561011
122464a21401
131206ab2719
1484562d3d7
154bc19ab14
hex2db496301

12268954369 has 4 divisors (see below), whose sum is σ = 14021662144. Its totient is φ = 10516246596.

The previous prime is 12268954367. The next prime is 12268954391. The reversal of 12268954369 is 96345986221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96345986221 = 439219466939.

It is a cyclic number.

It is not a de Polignac number, because 12268954369 - 21 = 12268954367 is a prime.

It is a super-2 number, since 2×122689543692 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12268954367) 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, 876353877 + ... + 876353890.

It is an arithmetic number, because the mean of its divisors is an integer number (3505415536).

Almost surely, 212268954369 is an apocalyptic number.

It is an amenable number.

12268954369 is a deficient number, since it is larger than the sum of its proper divisors (1752707775).

12268954369 is an equidigital number, since it uses as much as digits as its factorization.

12268954369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752707774.

The product of its digits is 5598720, while the sum is 55.

The spelling of 12268954369 in words is "twelve billion, two hundred sixty-eight million, nine hundred fifty-four thousand, three hundred sixty-nine".

Divisors: 1 7 1752707767 12268954369