Base | Representation |
---|---|
bin | 11101110010011110100111… |
… | …101001100100001111011111 |
3 | 122011212122101111010002102201 |
4 | 131302132213221210033133 |
5 | 114133000441212340221 |
6 | 1142350101315232331 |
7 | 36411214310605345 |
oct | 3562364751441737 |
9 | 564778344102381 |
10 | 131012200121311 |
11 | 38820a6453a903 |
12 | 1283b0608a86a7 |
13 | 58145222b2b02 |
14 | 244d04aa37995 |
15 | 1022ddbe10891 |
hex | 7727a7a643df |
131012200121311 has 4 divisors (see below), whose sum is σ = 131013495846400. Its totient is φ = 131010904396224.
The previous prime is 131012200121291. The next prime is 131012200121317. The reversal of 131012200121311 is 113121002210131.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 131012200121311 - 27 = 131012200121183 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131012200121317) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647710866 + ... + 647913103.
It is an arithmetic number, because the mean of its divisors is an integer number (32753373961600).
Almost surely, 2131012200121311 is an apocalyptic number.
131012200121311 is a deficient number, since it is larger than the sum of its proper divisors (1295725089).
131012200121311 is a wasteful number, since it uses less digits than its factorization.
131012200121311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1295725088.
The product of its (nonzero) digits is 72, while the sum is 19.
Adding to 131012200121311 its reverse (113121002210131), we get a palindrome (244133202331442).
The spelling of 131012200121311 in words is "one hundred thirty-one trillion, twelve billion, two hundred million, one hundred twenty-one thousand, three hundred eleven".
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