Base | Representation |
---|---|
bin | 1000010001111011111… |
… | …1111101101110001011 |
3 | 111121011221000012111201 |
4 | 2010132333331232023 |
5 | 4312314011131011 |
6 | 145203421005031 |
7 | 13164121043560 |
oct | 2043677755613 |
9 | 447157005451 |
10 | 142254005131 |
11 | 5536974a5a7 |
12 | 236a06b3777 |
13 | 10550851a44 |
14 | 6c56b26867 |
15 | 3a78a59cc1 |
hex | 211effdb8b |
142254005131 has 16 divisors (see below), whose sum is σ = 165691617280. Its totient is φ = 119606194080.
The previous prime is 142254005129. The next prime is 142254005137. The reversal of 142254005131 is 131500452241.
It is not a de Polignac number, because 142254005131 - 21 = 142254005129 is a prime.
It is a super-2 number, since 2×1422540051312 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 142254005131.
It is not an unprimeable number, because it can be changed into a prime (142254005137) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297171 + ... + 610588.
It is an arithmetic number, because the mean of its divisors is an integer number (10355726080).
Almost surely, 2142254005131 is an apocalyptic number.
142254005131 is a deficient number, since it is larger than the sum of its proper divisors (23437612149).
142254005131 is an equidigital number, since it uses as much as digits as its factorization.
142254005131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 908194.
The product of its (nonzero) digits is 4800, while the sum is 28.
Adding to 142254005131 its reverse (131500452241), we get a palindrome (273754457372).
The spelling of 142254005131 in words is "one hundred forty-two billion, two hundred fifty-four million, five thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.090 sec. • engine limits •