Base | Representation |
---|---|
bin | 101010010100101… |
… | …0101110010110001 |
3 | 10122222012201221202 |
4 | 1110221111302301 |
5 | 10402022421223 |
6 | 352530100545 |
7 | 50122564130 |
oct | 12451256261 |
9 | 3588181852 |
10 | 1420123313 |
11 | 669693734 |
12 | 33771a755 |
13 | 1982a606b |
14 | d686d917 |
15 | 84a1c428 |
hex | 54a55cb1 |
1420123313 has 8 divisors (see below), whose sum is σ = 1623925632. Its totient is φ = 1216552896.
The previous prime is 1420123303. The next prime is 1420123349. The reversal of 1420123313 is 3133210241.
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 1420123313 - 28 = 1420123057 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1420123303) 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, 44645 + ... + 69522.
It is an arithmetic number, because the mean of its divisors is an integer number (202990704).
Almost surely, 21420123313 is an apocalyptic number.
It is an amenable number.
1420123313 is a deficient number, since it is larger than the sum of its proper divisors (203802319).
1420123313 is a wasteful number, since it uses less digits than its factorization.
1420123313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115951.
The product of its (nonzero) digits is 432, while the sum is 20.
The square root of 1420123313 is about 37684.5235209363. The cubic root of 1420123313 is about 1124.0233995141.
Adding to 1420123313 its reverse (3133210241), we get a palindrome (4553333554).
The spelling of 1420123313 in words is "one billion, four hundred twenty million, one hundred twenty-three thousand, three hundred thirteen".
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