Base | Representation |
---|---|
bin | 111111110111011… |
… | …1100011001011010 |
3 | 12112100110022102012 |
4 | 1333232330121122 |
5 | 13342102344232 |
6 | 552352105522 |
7 | 104051206454 |
oct | 17756743132 |
9 | 5470408365 |
10 | 2143012442 |
11 | 9aa746a6a |
12 | 4b98352a2 |
13 | 281c9a8cc |
14 | 1648852d4 |
15 | c82119b2 |
hex | 7fbbc65a |
2143012442 has 8 divisors (see below), whose sum is σ = 3354280416. Its totient is φ = 1024918972.
The previous prime is 2143012429. The next prime is 2143012463. The reversal of 2143012442 is 2442103412.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23293568 + ... + 23293659.
It is an arithmetic number, because the mean of its divisors is an integer number (419285052).
Almost surely, 22143012442 is an apocalyptic number.
2143012442 is a deficient number, since it is larger than the sum of its proper divisors (1211267974).
2143012442 is a wasteful number, since it uses less digits than its factorization.
2143012442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46587252.
The product of its (nonzero) digits is 1536, while the sum is 23.
The square root of 2143012442 is about 46292.6823806960. The cubic root of 2143012442 is about 1289.2631334449.
Adding to 2143012442 its reverse (2442103412), we get a palindrome (4585115854).
The spelling of 2143012442 in words is "two billion, one hundred forty-three million, twelve thousand, four hundred forty-two".
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