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13123332314401 = 41320081275961
BaseRepresentation
bin1011111011111000001110…
…0011111001010100100001
31201110120121121000020202211
42332332003203321110201
53210003041033030101
643524435312042121
72523062260104211
oct276760343712441
951416547006684
1013123332314401
1141aa634a6aa61
12157b481533341
137426a935a34a
1433525bb5a241
1517b57be74c51
hexbef838f9521

13123332314401 has 4 divisors (see below), whose sum is σ = 13443413590404. Its totient is φ = 12803251038400.

The previous prime is 13123332314321. The next prime is 13123332314431. The reversal of 13123332314401 is 10441323332131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 348076400400 + 12775255914001 = 589980^2 + 3574249^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13123332314401 is a prime.

It is a super-2 number, since 2×131233323144012 (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 (13123332314431) 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, 160040637940 + ... + 160040638021.

It is an arithmetic number, because the mean of its divisors is an integer number (3360853397601).

Almost surely, 213123332314401 is an apocalyptic number.

It is an amenable number.

13123332314401 is a deficient number, since it is larger than the sum of its proper divisors (320081276003).

13123332314401 is an equidigital number, since it uses as much as digits as its factorization.

13123332314401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320081276002.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 13123332314401 its reverse (10441323332131), we get a palindrome (23564655646532).

The spelling of 13123332314401 in words is "thirteen trillion, one hundred twenty-three billion, three hundred thirty-two million, three hundred fourteen thousand, four hundred one".

Divisors: 1 41 320081275961 13123332314401