Base | Representation |
---|---|
bin | 1011111101000010010100… |
… | …1010001001100000011011 |
3 | 1201112110221211111012112121 |
4 | 2333100211022021200123 |
5 | 3210314310133440011 |
6 | 43541525145522111 |
7 | 2524365220052500 |
oct | 277204512114033 |
9 | 51473854435477 |
10 | 13143223343131 |
11 | 4208011a30282 |
12 | 15832b2aa3337 |
13 | 74452929cc2b |
14 | 3361c77974a7 |
15 | 17bd43367e71 |
hex | bf42528981b |
13143223343131 has 48 divisors (see below), whose sum is σ = 16186681859040. Its totient is φ = 10622488504320.
The previous prime is 13143223343101. The next prime is 13143223343149. The reversal of 13143223343131 is 13134332234131.
It is not a de Polignac number, because 13143223343131 - 213 = 13143223334939 is a prime.
It is a super-2 number, since 2×131432233431312 (a number of 27 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (13143223343101) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 498648405 + ... + 498674761.
It is an arithmetic number, because the mean of its divisors is an integer number (337222538730).
Almost surely, 213143223343131 is an apocalyptic number.
13143223343131 is a deficient number, since it is larger than the sum of its proper divisors (3043458515909).
13143223343131 is a wasteful number, since it uses less digits than its factorization.
13143223343131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34604 (or 34597 counting only the distinct ones).
The product of its digits is 46656, while the sum is 34.
Adding to 13143223343131 its reverse (13134332234131), we get a palindrome (26277555577262).
The spelling of 13143223343131 in words is "thirteen trillion, one hundred forty-three billion, two hundred twenty-three million, three hundred forty-three thousand, one hundred thirty-one".
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