Base | Representation |
---|---|
bin | 1011110101011001011… |
… | …0001110100000001101 |
3 | 201102210011122022210011 |
4 | 2331112112032200031 |
5 | 11312340401130221 |
6 | 233222244313221 |
7 | 20455156406605 |
oct | 2752626164015 |
9 | 642704568704 |
10 | 203312130061 |
11 | 79251440577 |
12 | 334a09a2811 |
13 | 1623158a751 |
14 | 9ba9d37c05 |
15 | 544e1211e1 |
hex | 2f5658e80d |
203312130061 has 2 divisors, whose sum is σ = 203312130062. Its totient is φ = 203312130060.
The previous prime is 203312130041. The next prime is 203312130137. The reversal of 203312130061 is 160031213302.
203312130061 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 can be written as a sum of positive squares in only one way, i.e., 151578627561 + 51733502500 = 389331^2 + 227450^2 .
It is a cyclic number.
It is not a de Polignac number, because 203312130061 - 25 = 203312130029 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (203312130041) 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, 101656065030 + 101656065031.
It is an arithmetic number, because the mean of its divisors is an integer number (101656065031).
Almost surely, 2203312130061 is an apocalyptic number.
It is an amenable number.
203312130061 is a deficient number, since it is larger than the sum of its proper divisors (1).
203312130061 is an equidigital number, since it uses as much as digits as its factorization.
203312130061 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 203312130061 its reverse (160031213302), we get a palindrome (363343343363).
The spelling of 203312130061 in words is "two hundred three billion, three hundred twelve million, one hundred thirty thousand, sixty-one".
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