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13142341445551 = 45728757858743
BaseRepresentation
bin1011111100111111000010…
…0101111110011110101111
31201112101200101001011111021
42333033300211332132233
53210311003402224201
643541301443435011
72524334321050513
oct277176045763657
951471611034437
1013142341445551
1142076aa1425aa
1215830a7685a67
13744418674046
143361425d0143
1517bce0c14ea1
hexbf3f097e7af

13142341445551 has 4 divisors (see below), whose sum is σ = 13171099304752. Its totient is φ = 13113583586352.

The previous prime is 13142341445549. The next prime is 13142341445557. The reversal of 13142341445551 is 15554414324131.

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 13142341445551 - 21 = 13142341445549 is a prime.

It is a super-2 number, since 2×131423414455512 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13142341445498 and 13142341445507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13142341445557) 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, 14378928915 + ... + 14378929828.

It is an arithmetic number, because the mean of its divisors is an integer number (3292774826188).

Almost surely, 213142341445551 is an apocalyptic number.

13142341445551 is a deficient number, since it is larger than the sum of its proper divisors (28757859201).

13142341445551 is an equidigital number, since it uses as much as digits as its factorization.

13142341445551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28757859200.

The product of its digits is 576000, while the sum is 43.

Adding to 13142341445551 its reverse (15554414324131), we get a palindrome (28696755769682).

The spelling of 13142341445551 in words is "thirteen trillion, one hundred forty-two billion, three hundred forty-one million, four hundred forty-five thousand, five hundred fifty-one".

Divisors: 1 457 28757858743 13142341445551