Base | Representation |
---|---|
bin | 1000010001110100000… |
… | …0011000011010011001 |
3 | 111121002121002000110002 |
4 | 2010131000120122121 |
5 | 4312231430410100 |
6 | 145200224102345 |
7 | 13163233546145 |
oct | 2043500303231 |
9 | 447077060402 |
10 | 142220560025 |
11 | 55351886815 |
12 | 236914649b5 |
13 | 1054694193b |
14 | 6c524dc225 |
15 | 3a75b502d5 |
hex | 211d018699 |
142220560025 has 12 divisors (see below), whose sum is σ = 176547105024. Its totient is φ = 113651538000.
The previous prime is 142220559973. The next prime is 142220560039. The reversal of 142220560025 is 520065022241.
It is not a de Polignac number, because 142220560025 - 220 = 142219511449 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 142220560025.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3099521 + ... + 3145070.
It is an arithmetic number, because the mean of its divisors is an integer number (14712258752).
Almost surely, 2142220560025 is an apocalyptic number.
It is an amenable number.
142220560025 is a deficient number, since it is larger than the sum of its proper divisors (34326544999).
142220560025 is an equidigital number, since it uses as much as digits as its factorization.
142220560025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6245512 (or 6245507 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 29.
Adding to 142220560025 its reverse (520065022241), we get a palindrome (662285582266).
The spelling of 142220560025 in words is "one hundred forty-two billion, two hundred twenty million, five hundred sixty thousand, twenty-five".
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