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13142643613 = 111443182793
BaseRepresentation
bin11000011110101110…
…01101001110011101
31020220221012110201021
430033113031032131
5203404004043423
610012044244141
7643454425141
oct141727151635
936827173637
1013142643613
115634752740
122669540651
131315ac63c8
148c969b221
1551dc2b95d
hex30f5cd39d

13142643613 has 8 divisors (see below), whose sum is σ = 14338596096. Its totient is φ = 11946885600.

The previous prime is 13142643599. The next prime is 13142643623. The reversal of 13142643613 is 31634624131.

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-13142643613 is a prime.

It is a super-2 number, since 2×131426436132 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13142643623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117345 + ... + 200137.

It is an arithmetic number, because the mean of its divisors is an integer number (1792324512).

Almost surely, 213142643613 is an apocalyptic number.

It is an amenable number.

13142643613 is a deficient number, since it is larger than the sum of its proper divisors (1195952483).

13142643613 is a wasteful number, since it uses less digits than its factorization.

13142643613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97235.

The product of its digits is 31104, while the sum is 34.

The spelling of 13142643613 in words is "thirteen billion, one hundred forty-two million, six hundred forty-three thousand, six hundred thirteen".

Divisors: 1 11 14431 82793 158741 910723 1194785783 13142643613