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13147374131 = 16380658737
BaseRepresentation
bin11000011111010010…
…10000001000110011
31020221021002210202122
430033221100020303
5203411211433011
610012333504455
7643542556553
oct141751201063
936837083678
1013147374131
115637393861
12266b04212b
131316a91628
148ca16d163
1551e3633db
hex30fa50233

13147374131 has 4 divisors (see below), whose sum is σ = 13228033032. Its totient is φ = 13066715232.

The previous prime is 13147374109. The next prime is 13147374143.

13147374131 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13147374131 is a prime.

It is a super-2 number, since 2×131473741312 (a number of 21 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 = 13147374091 and 13147374100.

It is not an unprimeable number, because it can be changed into a prime (13147374151) 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, 40329206 + ... + 40329531.

It is an arithmetic number, because the mean of its divisors is an integer number (3307008258).

Almost surely, 213147374131 is an apocalyptic number.

13147374131 is a deficient number, since it is larger than the sum of its proper divisors (80658901).

13147374131 is an equidigital number, since it uses as much as digits as its factorization.

13147374131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80658900.

The product of its digits is 21168, while the sum is 35.

The spelling of 13147374131 in words is "thirteen billion, one hundred forty-seven million, three hundred seventy-four thousand, one hundred thirty-one".

Divisors: 1 163 80658737 13147374131