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13122123113 = 111192920283
BaseRepresentation
bin11000011100010001…
…11011010101101001
31020212111120220212202
430032020323111221
5203333230414423
610010032345545
7643115130461
oct141610732551
936774526782
1013122123113
115624107350
1226626a52b5
1313117900b8
148c6a78ba1
1551c026728
hex30e23b569

13122123113 has 4 divisors (see below), whose sum is σ = 14315043408. Its totient is φ = 11929202820.

The previous prime is 13122123109. The next prime is 13122123169. The reversal of 13122123113 is 31132122131.

It is a happy number.

13122123113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 13122123113 - 22 = 13122123109 is a prime.

It is a super-2 number, since 2×131221231132 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13122123173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596460131 + ... + 596460152.

It is an arithmetic number, because the mean of its divisors is an integer number (3578760852).

Almost surely, 213122123113 is an apocalyptic number.

It is an amenable number.

13122123113 is a deficient number, since it is larger than the sum of its proper divisors (1192920295).

13122123113 is a wasteful number, since it uses less digits than its factorization.

13122123113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192920294.

The product of its digits is 216, while the sum is 20.

Adding to 13122123113 its reverse (31132122131), we get a palindrome (44254245244).

The spelling of 13122123113 in words is "thirteen billion, one hundred twenty-two million, one hundred twenty-three thousand, one hundred thirteen".

Divisors: 1 11 1192920283 13122123113