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12246111943 = 134321907177
BaseRepresentation
bin10110110011110110…
…01101011011000111
31011121110012221110121
423121323031123013
5200040001040233
65343100402411
7612320143162
oct133173153307
934543187417
1012246111943
11521467a17a
122459246407
1312021455b0
148425a4ad9
154ba18792d
hex2d9ecd6c7

12246111943 has 8 divisors (see below), whose sum is σ = 13494821648. Its totient is φ = 11041216704.

The previous prime is 12246111887. The next prime is 12246111961. The reversal of 12246111943 is 34911164221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12246111943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12246111899 and 12246111908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12246171943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10953030 + ... + 10954147.

It is an arithmetic number, because the mean of its divisors is an integer number (1686852706).

Almost surely, 212246111943 is an apocalyptic number.

12246111943 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12246111943 is a deficient number, since it is larger than the sum of its proper divisors (1248709705).

12246111943 is a wasteful number, since it uses less digits than its factorization.

12246111943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21907233.

The product of its digits is 10368, while the sum is 34.

The spelling of 12246111943 in words is "twelve billion, two hundred forty-six million, one hundred eleven thousand, nine hundred forty-three".

Divisors: 1 13 43 559 21907177 284793301 942008611 12246111943