Base | Representation |
---|---|
bin | 1000010010011110110… |
… | …1110001101001001011 |
3 | 111121120010011022002002 |
4 | 2010213231301221023 |
5 | 4313113424411021 |
6 | 145230123101215 |
7 | 13200545000162 |
oct | 2044755615113 |
9 | 447503138062 |
10 | 142400232011 |
11 | 55434244a64 |
12 | 2372167180b |
13 | 10574c2c41b |
14 | 6c6c30c3d9 |
15 | 3a867e150b |
hex | 2127b71a4b |
142400232011 has 4 divisors (see below), whose sum is σ = 142401178800. Its totient is φ = 142399285224.
The previous prime is 142400231989. The next prime is 142400232047. The reversal of 142400232011 is 110232004241.
142400232011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 142400232011 - 26 = 142400231947 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142400232061) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192056 + ... + 567173.
It is an arithmetic number, because the mean of its divisors is an integer number (35600294700).
Almost surely, 2142400232011 is an apocalyptic number.
142400232011 is a deficient number, since it is larger than the sum of its proper divisors (946789).
142400232011 is an equidigital number, since it uses as much as digits as its factorization.
142400232011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 946788.
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 142400232011 its reverse (110232004241), we get a palindrome (252632236252).
The spelling of 142400232011 in words is "one hundred forty-two billion, four hundred million, two hundred thirty-two thousand, eleven".
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