Base | Representation |
---|---|
bin | 1000010010011111011… |
… | …0001000001001110011 |
3 | 111121120021021112022012 |
4 | 2010213312020021303 |
5 | 4313120004440423 |
6 | 145230242033135 |
7 | 13200602416136 |
oct | 2044766101163 |
9 | 447507245265 |
10 | 142402421363 |
11 | 554354aa944 |
12 | 237223487ab |
13 | 10575517ab7 |
14 | 6c6c71c21d |
15 | 3a86ac5078 |
hex | 2127d88273 |
142402421363 has 4 divisors (see below), whose sum is σ = 142632474360. Its totient is φ = 142172368368.
The previous prime is 142402421353. The next prime is 142402421393. The reversal of 142402421363 is 363124204241.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 363124204241 = 3313 ⋅109605857.
It is a cyclic number.
It is not a de Polignac number, because 142402421363 - 214 = 142402404979 is a prime.
It is a super-2 number, since 2×1424024213632 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142402421353) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115025570 + ... + 115026807.
It is an arithmetic number, because the mean of its divisors is an integer number (35658118590).
Almost surely, 2142402421363 is an apocalyptic number.
142402421363 is a deficient number, since it is larger than the sum of its proper divisors (230052997).
142402421363 is an equidigital number, since it uses as much as digits as its factorization.
142402421363 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 230052996.
The product of its (nonzero) digits is 27648, while the sum is 32.
The spelling of 142402421363 in words is "one hundred forty-two billion, four hundred two million, four hundred twenty-one thousand, three hundred sixty-three".
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