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12238766441 = 112938366039
BaseRepresentation
bin10110110010111110…
…01100000101101001
31011120221101202022222
423121133030011221
5200031111011231
65342235123425
7612200540546
oct133137140551
934527352288
1012238766441
115210512410
1224568a3575
131200773045
14841611bcd
154b96d627b
hex2d97cc169

12238766441 has 8 divisors (see below), whose sum is σ = 13811774400. Its totient is φ = 10742490640.

The previous prime is 12238766431. The next prime is 12238766443. The reversal of 12238766441 is 14466783221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12238766441 - 210 = 12238765417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12238766392 and 12238766401.

It is not an unprimeable number, because it can be changed into a prime (12238766443) 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, 19182701 + ... + 19183338.

It is an arithmetic number, because the mean of its divisors is an integer number (1726471800).

Almost surely, 212238766441 is an apocalyptic number.

12238766441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12238766441 is a deficient number, since it is larger than the sum of its proper divisors (1573007959).

12238766441 is a wasteful number, since it uses less digits than its factorization.

12238766441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38366079.

The product of its digits is 387072, while the sum is 44.

The spelling of 12238766441 in words is "twelve billion, two hundred thirty-eight million, seven hundred sixty-six thousand, four hundred forty-one".

Divisors: 1 11 29 319 38366039 422026429 1112615131 12238766441