Base | Representation |
---|---|
bin | 1000010101100100101… |
… | …1100110001110001011 |
3 | 111200200221202122101121 |
4 | 2011121023212032023 |
5 | 4321313403230011 |
6 | 145444330500111 |
7 | 13230243021031 |
oct | 2053113461613 |
9 | 450627678347 |
10 | 143230133131 |
11 | 5581a748a58 |
12 | 23913594637 |
13 | 10677b51287 |
14 | 6d0a61c551 |
15 | 3ad45c2e71 |
hex | 21592e638b |
143230133131 has 4 divisors (see below), whose sum is σ = 143235332152. Its totient is φ = 143224934112.
The previous prime is 143230133087. The next prime is 143230133173. The reversal of 143230133131 is 131331032341.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131331032341 = 11587 ⋅11334343.
It is a cyclic number.
It is not a de Polignac number, because 143230133131 - 219 = 143229608843 is a prime.
It is a super-2 number, since 2×1432301331312 (a number of 23 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 = 143230133096 and 143230133105.
It is not an unprimeable number, because it can be changed into a prime (143230143131) 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, 2557965 + ... + 2613358.
It is an arithmetic number, because the mean of its divisors is an integer number (35808833038).
Almost surely, 2143230133131 is an apocalyptic number.
143230133131 is a deficient number, since it is larger than the sum of its proper divisors (5199021).
143230133131 is an equidigital number, since it uses as much as digits as its factorization.
143230133131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5199020.
The product of its (nonzero) digits is 1944, while the sum is 25.
Adding to 143230133131 its reverse (131331032341), we get a palindrome (274561165472).
The spelling of 143230133131 in words is "one hundred forty-three billion, two hundred thirty million, one hundred thirty-three thousand, one hundred thirty-one".
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