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12241144240231 = 19516274292281
BaseRepresentation
bin1011001000100001110100…
…0011011101100001100111
31121100020112101111202022011
42302020131003131201213
53101024330411141411
642011300512015051
72402251652151454
oct262103503354147
947306471452264
1012241144240231
11399a492885725
1214584ba531487
136aa447b6182a
1430469020482b
15163648550c21
hexb221d0dd867

12241144240231 has 4 divisors (see below), whose sum is σ = 12247418534464. Its totient is φ = 12234869946000.

The previous prime is 12241144240211. The next prime is 12241144240309. The reversal of 12241144240231 is 13204244114221.

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 12241144240231 - 233 = 12232554305639 is a prime.

It is a super-2 number, since 2×122411442402312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12241144240193 and 12241144240202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12241144240211) 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, 3137144190 + ... + 3137148091.

It is an arithmetic number, because the mean of its divisors is an integer number (3061854633616).

Almost surely, 212241144240231 is an apocalyptic number.

12241144240231 is a deficient number, since it is larger than the sum of its proper divisors (6274294233).

12241144240231 is an equidigital number, since it uses as much as digits as its factorization.

12241144240231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6274294232.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 12241144240231 its reverse (13204244114221), we get a palindrome (25445388354452).

The spelling of 12241144240231 in words is "twelve trillion, two hundred forty-one billion, one hundred forty-four million, two hundred forty thousand, two hundred thirty-one".

Divisors: 1 1951 6274292281 12241144240231