Base | Representation |
---|---|
bin | 10110111110000001… |
… | …01110101110010111 |
3 | 1011211101210022121111 |
4 | 23133000232232113 |
5 | 200223322221033 |
6 | 5355345355451 |
7 | 614404361053 |
oct | 133700565627 |
9 | 34741708544 |
10 | 12331445143 |
11 | 5258863286 |
12 | 2481938b87 |
13 | 1216a22304 |
14 | 84da58c63 |
15 | 4c28e17cd |
hex | 2df02eb97 |
12331445143 has 8 divisors (see below), whose sum is σ = 12730613760. Its totient is φ = 11932362840.
The previous prime is 12331445123. The next prime is 12331445153. The reversal of 12331445143 is 34154413321.
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 12331445143 - 213 = 12331436951 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12331445123) 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, 399498 + ... + 429256.
It is an arithmetic number, because the mean of its divisors is an integer number (1591326720).
Almost surely, 212331445143 is an apocalyptic number.
12331445143 is a deficient number, since it is larger than the sum of its proper divisors (399168617).
12331445143 is a wasteful number, since it uses less digits than its factorization.
12331445143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43157.
The product of its digits is 17280, while the sum is 31.
Adding to 12331445143 its reverse (34154413321), we get a palindrome (46485858464).
The spelling of 12331445143 in words is "twelve billion, three hundred thirty-one million, four hundred forty-five thousand, one hundred forty-three".
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