Base | Representation |
---|---|
bin | 1000010010101011111… |
… | …1100101001100010011 |
3 | 111121200221122112211222 |
4 | 2010222333211030103 |
5 | 4313222014400001 |
6 | 145235405555255 |
7 | 13202113325624 |
oct | 2045277451423 |
9 | 447627575758 |
10 | 142455231251 |
11 | 5546229a783 |
12 | 23737b75b2b |
13 | 10583448158 |
14 | 6c75747a4b |
15 | 3a8b55761b |
hex | 212afe5313 |
142455231251 has 2 divisors, whose sum is σ = 142455231252. Its totient is φ = 142455231250.
The previous prime is 142455231241. The next prime is 142455231287. The reversal of 142455231251 is 152132554241.
142455231251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 142455231251 - 26 = 142455231187 is a prime.
It is not a weakly prime, because it can be changed into another prime (142455231241) 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 as a sum of consecutive naturals, namely, 71227615625 + 71227615626.
It is an arithmetic number, because the mean of its divisors is an integer number (71227615626).
Almost surely, 2142455231251 is an apocalyptic number.
142455231251 is a deficient number, since it is larger than the sum of its proper divisors (1).
142455231251 is an equidigital number, since it uses as much as digits as its factorization.
142455231251 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 48000, while the sum is 35.
Adding to 142455231251 its reverse (152132554241), we get a palindrome (294587785492).
The spelling of 142455231251 in words is "one hundred forty-two billion, four hundred fifty-five million, two hundred thirty-one thousand, two hundred fifty-one".
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