Base | Representation |
---|---|
bin | 1000010011101101001… |
… | …0011111011000011011 |
3 | 111122102000002022201010 |
4 | 2010323102133120123 |
5 | 4314302011424033 |
6 | 145322453425003 |
7 | 13211643166164 |
oct | 2047322373033 |
9 | 448360068633 |
10 | 142728623643 |
11 | 55592650501 |
12 | 237b363b163 |
13 | 105c7c8b0b8 |
14 | 6c9db9276b |
15 | 3aa555c863 |
hex | 213b49f61b |
142728623643 has 8 divisors (see below), whose sum is σ = 190306816000. Its totient is φ = 95151423528.
The previous prime is 142728623641. The next prime is 142728623711. The reversal of 142728623643 is 346326827241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 142728623643 - 21 = 142728623641 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 142728623592 and 142728623601.
It is not an unprimeable number, because it can be changed into a prime (142728623641) 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, 206658 + ... + 572856.
It is an arithmetic number, because the mean of its divisors is an integer number (23788352000).
Almost surely, 2142728623643 is an apocalyptic number.
142728623643 is a deficient number, since it is larger than the sum of its proper divisors (47578192357).
142728623643 is a wasteful number, since it uses less digits than its factorization.
142728623643 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 496121.
The product of its digits is 2322432, while the sum is 48.
The spelling of 142728623643 in words is "one hundred forty-two billion, seven hundred twenty-eight million, six hundred twenty-three thousand, six hundred forty-three".
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