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13122454243331 = 229337170039447
BaseRepresentation
bin1011111011110100111100…
…1110010100100000000011
31201110111100101202121201002
42332331033032110200003
53204444241241241311
643524212224002215
72523031435450226
oct276751716244003
951414311677632
1013122454243331
1141aa224356194
12157b27746036b
13742599471074
143351b72ab5bd
1517b529d2a93b
hexbef4f394803

13122454243331 has 8 divisors (see below), whose sum is σ = 13218866687520. Its totient is φ = 13026381879168.

The previous prime is 13122454243309. The next prime is 13122454243399. The reversal of 13122454243331 is 13334245422131.

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-13122454243331 is a prime.

It is a super-2 number, since 2×131224542433312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13122454240331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84942551 + ... + 85096896.

It is an arithmetic number, because the mean of its divisors is an integer number (1652358335940).

Almost surely, 213122454243331 is an apocalyptic number.

13122454243331 is a deficient number, since it is larger than the sum of its proper divisors (96412444189).

13122454243331 is a wasteful number, since it uses less digits than its factorization.

13122454243331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170040013.

The product of its digits is 207360, while the sum is 38.

Adding to 13122454243331 its reverse (13334245422131), we get a palindrome (26456699665462).

The spelling of 13122454243331 in words is "thirteen trillion, one hundred twenty-two billion, four hundred fifty-four million, two hundred forty-three thousand, three hundred thirty-one".

Divisors: 1 229 337 77173 170039447 38939033363 57303293639 13122454243331