Base | Representation |
---|---|
bin | 1000010001111011100… |
… | …1011110101011100011 |
3 | 111121011210210211112110 |
4 | 2010132321132223203 |
5 | 4312313042230443 |
6 | 145203320330403 |
7 | 13164100433355 |
oct | 2043671365343 |
9 | 447153724473 |
10 | 142252305123 |
11 | 55368799335 |
12 | 236a0013a03 |
13 | 105503a8016 |
14 | 6c568030d5 |
15 | 3a78821233 |
hex | 211ee5eae3 |
142252305123 has 32 divisors (see below), whose sum is σ = 194151859200. Its totient is φ = 92624564736.
The previous prime is 142252305109. The next prime is 142252305131. The reversal of 142252305123 is 321503252241.
It is not a de Polignac number, because 142252305123 - 210 = 142252304099 is a prime.
It is not an unprimeable number, because it can be changed into a prime (142252305133) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11241586 + ... + 11254232.
It is an arithmetic number, because the mean of its divisors is an integer number (6067245600).
Almost surely, 2142252305123 is an apocalyptic number.
142252305123 is a deficient number, since it is larger than the sum of its proper divisors (51899554077).
142252305123 is a wasteful number, since it uses less digits than its factorization.
142252305123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13251.
The product of its (nonzero) digits is 14400, while the sum is 30.
Adding to 142252305123 its reverse (321503252241), we get a palindrome (463755557364).
The spelling of 142252305123 in words is "one hundred forty-two billion, two hundred fifty-two million, three hundred five thousand, one hundred twenty-three".
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