Base | Representation |
---|---|
bin | 100000010101010100000011… |
… | …100010001111111101110001 |
3 | 200122111101120001012011111001 |
4 | 200111110003202033331301 |
5 | 122114314431131410301 |
6 | 1222234431331522001 |
7 | 41644523245225264 |
oct | 4025240342177561 |
9 | 618441501164431 |
10 | 142202131513201 |
11 | 41345649045691 |
12 | 13b47886159301 |
13 | 61467aca66746 |
14 | 2718896d8ccdb |
15 | 116900cb2cc01 |
hex | 81550388ff71 |
142202131513201 has 4 divisors (see below), whose sum is σ = 142451172024304. Its totient is φ = 141953091002100.
The previous prime is 142202131513187. The next prime is 142202131513331. The reversal of 142202131513201 is 102315131202241.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 142202131513201 - 225 = 142202097958769 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 142202131513201.
It is not an unprimeable number, because it can be changed into a prime (142202131543201) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124520254695 + ... + 124520255836.
It is an arithmetic number, because the mean of its divisors is an integer number (35612793006076).
Almost surely, 2142202131513201 is an apocalyptic number.
It is an amenable number.
142202131513201 is a deficient number, since it is larger than the sum of its proper divisors (249040511103).
142202131513201 is an equidigital number, since it uses as much as digits as its factorization.
142202131513201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 249040511102.
The product of its (nonzero) digits is 2880, while the sum is 28.
Adding to 142202131513201 its reverse (102315131202241), we get a palindrome (244517262715442).
The spelling of 142202131513201 in words is "one hundred forty-two trillion, two hundred two billion, one hundred thirty-one million, five hundred thirteen thousand, two hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •