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13124335101151 = 69118993249061
BaseRepresentation
bin1011111011111011111101…
…0101001110010011011111
31201110200012110221002120211
42332332333111032103133
53210012114241214101
643525123013153251
72523126154462561
oct276767725162337
951420173832524
1013124335101151
1141aaaaa01753a
12157b70132b827
13742809031aa1
14335314dd1331
1517b5da006c51
hexbefbf54e4df

13124335101151 has 4 divisors (see below), whose sum is σ = 13143328350904. Its totient is φ = 13105341851400.

The previous prime is 13124335101149. The next prime is 13124335101191. The reversal of 13124335101151 is 15110153342131.

It is a happy number.

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 13124335101151 - 21 = 13124335101149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13124335101191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9496623840 + ... + 9496625221.

It is an arithmetic number, because the mean of its divisors is an integer number (3285832087726).

Almost surely, 213124335101151 is an apocalyptic number.

13124335101151 is a deficient number, since it is larger than the sum of its proper divisors (18993249753).

13124335101151 is an equidigital number, since it uses as much as digits as its factorization.

13124335101151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18993249752.

The product of its (nonzero) digits is 5400, while the sum is 31.

Adding to 13124335101151 its reverse (15110153342131), we get a palindrome (28234488443282).

The spelling of 13124335101151 in words is "thirteen trillion, one hundred twenty-four billion, three hundred thirty-five million, one hundred one thousand, one hundred fifty-one".

Divisors: 1 691 18993249061 13124335101151