Base | Representation |
---|---|
bin | 1011111101000001111100… |
… | …1000011100000010000111 |
3 | 1201112110200210020012100211 |
4 | 2333100133020130002013 |
5 | 3210314103242401211 |
6 | 43541511134420251 |
7 | 2524362551450263 |
oct | 277203710340207 |
9 | 51473623205324 |
10 | 13143122231431 |
11 | 4207a6a94a595 |
12 | 1583285061687 |
13 | 74451135a41a |
14 | 3361b81970a3 |
15 | 17bd39543e21 |
hex | bf41f21c087 |
13143122231431 has 8 divisors (see below), whose sum is σ = 13916457429264. Its totient is φ = 12369810407040.
The previous prime is 13143122231417. The next prime is 13143122231467. The reversal of 13143122231431 is 13413222134131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13143122231431 - 27 = 13143122231303 is a prime.
It is a super-3 number, since 3×131431222314313 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13143122231393 and 13143122231402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13143122231401) 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, 4679025 + ... + 6941146.
It is an arithmetic number, because the mean of its divisors is an integer number (1739557178658).
Almost surely, 213143122231431 is an apocalyptic number.
13143122231431 is a deficient number, since it is larger than the sum of its proper divisors (773335197833).
13143122231431 is a wasteful number, since it uses less digits than its factorization.
13143122231431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11686721.
The product of its digits is 10368, while the sum is 31.
Adding to 13143122231431 its reverse (13413222134131), we get a palindrome (26556344365562).
The spelling of 13143122231431 in words is "thirteen trillion, one hundred forty-three billion, one hundred twenty-two million, two hundred thirty-one thousand, four hundred thirty-one".
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