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13122414441 = 324507323507
BaseRepresentation
bin11000011100010100…
…00010011101101001
31020212112010201111200
430032022002131221
5203333314230231
610010042514413
7643120453023
oct141612023551
936775121450
1013122414441
115624296214
122662805a09
131311862896
148c6b13013
1551c082be6
hex30e282769

13122414441 has 12 divisors (see below), whose sum is σ = 18958862832. Its totient is φ = 8746308216.

The previous prime is 13122414379. The next prime is 13122414443. The reversal of 13122414441 is 14441422131.

It is not a de Polignac number, because 13122414441 - 29 = 13122413929 is a prime.

It is a super-2 number, since 2×131224144412 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13122414443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121191 + ... + 202316.

It is an arithmetic number, because the mean of its divisors is an integer number (1579905236).

Almost surely, 213122414441 is an apocalyptic number.

It is an amenable number.

13122414441 is a deficient number, since it is larger than the sum of its proper divisors (5836448391).

13122414441 is a wasteful number, since it uses less digits than its factorization.

13122414441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328020 (or 328017 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

Adding to 13122414441 its reverse (14441422131), we get a palindrome (27563836572).

The spelling of 13122414441 in words is "thirteen billion, one hundred twenty-two million, four hundred fourteen thousand, four hundred forty-one".

Divisors: 1 3 9 4507 13521 40563 323507 970521 2911563 1458046049 4374138147 13122414441